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The role of sociodemographic, psychosocial, and behavioral factors in the use of preventive healthcare services in children and adolescents: results of the KiGGS Wave 2 study. BMC Pediatr 2024; 24:146. [PMID: 38419000 PMCID: PMC10900680 DOI: 10.1186/s12887-024-04650-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 02/16/2024] [Indexed: 03/02/2024] Open
Abstract
BACKGROUND In Germany, various preventive services are offered to children and adolescents. These include regular standardized examinations (so called U/J examinations) and several vaccinations. Although strongly recommended, most of them are not mandatory. Our aim is to identify factors associated with the use of U/J examinations and vaccination against diphtheria, hepatitis B, Hib, pertussis, polio, and tetanus. While previous research has focused on sociodemographic factors, we also include socioeconomic, behavioral, and psychosocial factors. METHODS We analyzed cross-sectional data from 15,023 participants (aged 0-17 years) of the nationwide representative KiGGS Wave 2 Survey. Participation in U/J examinations was assessed using a questionnaire, filled out by participants and/or their parents. Information on vaccination status was drawn from the participants' vaccination booklets. To identify relevant determinants for the use of preventive examinations and vaccinations, unadjusted and adjusted logistic regression models were employed with up to 16 different independent variables. RESULTS Various independent variables showed an association with the use of preventive services. Higher socioeconomic status, absence of migration background, and lower household size were associated with significantly higher utilization of U examinations. Parents' marital status, area of residence, behavioral and psychosocial factors yielded insignificant results for most U/J examinations. Higher vaccination rates were found for children with no migration background, with residence in eastern Germany, lower household size, and with married parents. CONCLUSION This study attempted to depict the influence of sociodemographic, psychosocial, and behavioral factors on the use of several preventive services. Our results indicate that predominantly sociodemographic variables influence the use of preventive services. Further efforts should be made to investigate the interplay of different determinants of healthcare use in children and adolescents.
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[Hepatitis B virus infection and vaccine-induced immunity: the role of sociodemographic determinants : Results of the study "German Health Interview and Examination Survey for Adults" (DEGS1, 2008-2011)]. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 2021; 65:159-169. [PMID: 34958395 PMCID: PMC8813829 DOI: 10.1007/s00103-021-03473-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 12/03/2021] [Indexed: 11/26/2022]
Abstract
Hintergrund und Ziel Trotz niedriger Prävalenz der Hepatitis-B-Virus-(HBV-)Infektion in Deutschland ist es wichtig, vulnerable Gruppen und Ansatzpunkte für die Prävention zu identifizieren. In ersten Analysen der „Studie zur Gesundheit Erwachsener in Deutschland“ (DEGS1, 2008–2011) waren HBV-Infektion und -Impfung mit sozidemografischen Determinanten assoziiert. In dieser Arbeit werden die Ergebnisse im Detail untersucht. Material und Methoden In DEGS1 lag für 7046 Teilnehmende (Alter: 18–79 Jahre) eine HBV-Serologie vor. Die stattgehabte HBV-Infektion war durch Antikörper gegen das Hepatitis-B-Core-Antigen (Anti-HBc) definiert, die impfinduzierte Immunität durch alleinigen Nachweis von Antikörpern gegen das Hepatitis-B-Surface-Antigen (Anti-HBs). Seroprävalenzen von HBV-Infektions- und -Impfstatus wurden geschlechtsstratifiziert geschätzt und Assoziationen mit Alter, Gemeindegröße, Einkommen, formaler Bildung, Krankenversicherung und Migrationsgeneration in logistischen Regressionen analysiert. Ergebnisse Die HBV-Infektion war bei Männern und Frauen unabhängig mit den Altersgruppen 34–64 und ≥ 65 Jahre, erster Migrationsgeneration und Leben in größeren Gemeinden assoziiert, zudem bei Männern mit niedrigem Einkommen und bei Frauen mit niedriger Bildung. Die impfinduzierte Immunität war bei Männern und Frauen unabhängig mit den Altersgruppen 18–33 und 34–64 Jahre, mittlerer und hoher Bildung und hohem Einkommen assoziiert, darüber hinaus bei Männern mit mittlerem Einkommen und privater Krankenversicherung und bei Frauen mit fehlendem Migrationshintergrund. Diskussion Die Berücksichtigung von Migrationsstatus, Einkommen und Bildung könnte zur zielgenauen Ausrichtung der HBV-Prävention beitragen. Zusatzmaterial online Zusätzliche Informationen sind in der Online-Version dieses Artikels (10.1007/s00103-021-03473-z) enthalten.
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Abstract
BACKGROUND Despite being considered as a low prevalence country for hepatitis B (HBV), some populations in Germany are at higher risk of infection. In the context of the World Health Organization's (WHO) viral hepatitis elimination goals, a valid epidemiological data base is needed to plan and monitor the national response. Prevention strategies include general and targeted HBV vaccination programmes. OBJECTIVE The aim of this work was to estimate the HBV vaccination coverage (VC) in the general population (GP) and different population groups in Germany from available evidence and to identify current evidence gaps for future research. METHODS We conducted a systematic review on HBV VC in the general population and populations at high risk of HBV exposure or severe infection in Germany. We included eligible publications (01/01/2017 to 06/06/2020) from databases Embase, Pubmed and Livivo, from a previous scoping review (including data published 01/01/2005-17/03/2017), from the national surveillance system and screened the reference lists of all publications at full text level. Risk of bias was assessed using the Hoy et al. tool. RESULTS We included 68 publications of 67 studies and assigned them to one or more suitable population groups. Twenty-one studies contained data among children/adolescents and three among adults from the GP (VC 65.8-90.5% and 22.9-52.1%, respectively), one among travelers (VC 89.0%), 13 among immunocompromised populations (VC 7.8-89.0%), 16 among populations with occupational risk and 16 with non-occupational risk of HBV exposure (VC 63.6-96.5% and 4.4-84.5%, respectively). CONCLUSION Comprehensive evidence at low risk of bias was identified for children/adolescents. However, 25 years after including HBV in the national immunisation schedule, VC in Germany is still below the 95%-goal defined by WHO. For people at occupational risk of HBV exposure, VC was mostly reported to be over the WHO goal of 80%, but quality of evidence was heterogenous and should be improved. For people at non-occupational risk of HBV exposure, evidence was sparse and of low quality. The low VC highlights the need for future research to plan vaccination programmes targeting these populations.
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Seroprevalence of Measles-, Mumps-, and Rubella-specific antibodies in the German adult population - cross-sectional analysis of the German Health Interview and Examination Survey for Adults (DEGS1). THE LANCET REGIONAL HEALTH. EUROPE 2021; 7:100128. [PMID: 34557838 PMCID: PMC8454806 DOI: 10.1016/j.lanepe.2021.100128] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
BACKGROUND The WHO European Region targets the elimination of measles, rubella, and the congenital rubella syndrome and welcomes mumps elimination via the joint MMR vaccine. In a push towards this elimination goal, Germany introduced a recommendation on MMR vaccination for adults in 2010 to prevent increasing numbers of measles cases among adults and to strengthen herd immunity. METHODS The prevalence of anti-measles, -mumps, and -rubella IgG antibodies was analysed in 7,115 participants between the ages of 18 and 79 years in the German Health Interview and Examination Survey. Risk factors of seronegativity of adults born 1970 or later were determined. FINDINGS The seroprevalence of anti-measles IgG antibodies was more than 97% in adults born before 1965 and less than 90% in adults born afterwards. Prevalence and GMTs declined with later years of birth. Seronegativity was associated with two-sided migration background and region of residence in East Germany. For anti-mumps IgG antibodies, the seroprevalence was less than 90% in almost all age groups. Prevalence and GMTs declined with later years of birth. Seronegativity was not associated with any socio-demographic factor. Anti-rubella IgG seropositivity was found in more than 90% of adults born before 1985. GMTs declined in younger age groups. Seronegativity was associated with birth between 1980 and 1993 and male gender. High socio-economic status lowered the odds of being seronegative. INTERPRETATION These data reinforce the implementation of the vaccination recommendation for adults and provide the basis for further evaluation of this measure. FUNDING The Federal Ministry of Health, Germany.
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[Preventive Check-ups and Routine Vaccinations in Pre-school Children - An Analysis of Mutual Participation Behaviour, Taking into Account Living Conditions]. DAS GESUNDHEITSWESEN 2021; 83:498-508. [PMID: 33882580 DOI: 10.1055/a-1399-9130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
AIM OF THE STUDY Preventive screenings and vaccinations are essential health protecting measures in childhood, but no quantitative data on mutual distribution patterns of acceptance are available. The aim of the study was the quantification of distribution patterns and the identification of associations between preventive check-ups and defined routine vaccinations for children starting school, taking into account the social environment. METHODS The 2015 school entrance health checks included documented preventive screenings and routine vaccinations on a city-wide basis. In addition, a voluntary proxy questionnaire was distributed to persons entitled to care for the children starting school in order to record additional characteristics of family living conditions. We used SPSS 25.0 to calculate participation rates for all screenings and defined routine vaccinations as well as specific cross-prevalences and associations. RESULTS Of the 407 children starting school, both prevention measures were carried out in 76.8%; additional questionnaires were distributed to those in charge of 280 (68.8%) of these children. Full preventive check-ups with complete vaccination status at the same time were observed in 70.3% of children born in Germany and 69.7% of children born in Germany with German nationality. In terms of family environment, children with siblings (17.5%), children with separated parents (13.3%) and families with up to four close relatives (7.1%) were significantly less likely than others to have completed all preventive measures. Incomplete preventive medical examinations were strongly associated with a child not born in Germany (OR=7.95) and with both parents with a non-German Nationality (OR=4.52). CONCLUSION The distribution patterns and associations identified provide new insight for the establishment of measures specific to risk groups to increase acceptance of screenings and defined routine vaccinations. This can allow for needs-optimised health care for children based on the principle of social compensation.
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Poststratification as a suitable approach to generalize findings of two cross-sectional studies along the Bavarian compulsory school entrance examination: An exemplary poststratified analysis for asthma, hay fever and wheezing. Int J Hyg Environ Health 2021; 234:113718. [PMID: 33740566 DOI: 10.1016/j.ijheh.2021.113718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 02/12/2021] [Accepted: 02/15/2021] [Indexed: 11/27/2022]
Abstract
BACKGROUND A compulsory school entrance examination of pre-school children (SEU) is administered in the German state of Bavaria. Every second year since 2004, the examinations are expanded in six study regions using a cross-sectional survey design (GME). However, the extent to which the results of the GME surveys are generalizable to the SEU population is unknown. Therefore, this study carried out a poststratification of two different GME surveys. The aim was to observe the impact of poststratification on an exemplary analysis of influencing factors for three allergy and asthma related outcomes (hay fever, asthma, wheezing) and thus to better understand this important question. METHODS First, poststratification was applied to correct for deviances of the GME sample in comparison to the SEU population. Logistic regression was used to determine the auxiliary variables for the poststratification. Following this, a composite variable as a linear combination was created to calculate weighting factors. Next, logistic regression analyses were applied to analyze possible influencing factors for three allergy and asthma related outcomes (hay fever, asthma and wheezing) in two GME surveys (2005/2006 and 2012/2013). Subsequently, the differences arising from poststratification were examined in more detail. RESULTS This study supports the hypothesis that the GME sample deviates from the SEU population. Mother tongue other than German of at least one parent, complete vaccination status and conspicuous visuomotor test results were positively associated with participation in both GME surveys. The prevalence for hay fever, asthma and frequent wheeze did not change statistically significant from 2005/2006 to 2012/2013. In the twelve analyses before and after poststratification, male sex was statistically significant associated with the three allergy and asthma related outcomes (e.g. asthma 2005/2006 after poststratification, aOR: 2.06, 95%-CI: 1.56-2.71). A high body mass index was positively associated with asthma (e.g. 2005/2006 after poststratification, aOR: 1.12, 95%-CI: 1.05-1.20). Poststratification caused a significant change in the sample composition. CONCLUSIONS It might be suggested that a poststratification should be performed for each GME survey. Poststratification tended to make results more comparable with previous research. In accordance with previous research, this study confirmed that male sex and high BMI are associated with asthma.
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The epidemiology of Hepatitis B, C and D in Germany: A scoping review. PLoS One 2020; 15:e0229166. [PMID: 32150561 PMCID: PMC7062254 DOI: 10.1371/journal.pone.0229166] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2019] [Accepted: 01/23/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Germany is considered to be a low prevalence country for viral Hepatitis B, C and D (HBV, HCV, HDV). However, the burden of disease can be high among subpopulations. To meet the world Health Organization (WHO) viral hepatitis (VH) elimination goals, a national strategy was developed by the German government in 2016. We performed a scoping review to understand the baseline epidemiological situation in Germany regarding burden of disease, sequelae and care of HBV, HCV and HDV as a reference to monitor the progress of the national VH elimination and to identify further knowledge gaps and research needs. METHODS The protocol of the systematic review was prepared following the PRISMA statement guidelines for scoping reviews. Relevant search terms were used to identify eligible studies according to the research questions. We searched six online databases for original work published between January 2005 and March 2017. Based on the identified references, a matrix was developed presenting the eligible literature by targeted population group and outcome category. RESULTS 104 publications were eligible for extraction covering 299 outcome results. The population groups targeted in the identified studies included the general population and proxy populations, a range of clinical populations, people who inject drugs, men who have sex with men, healthcare workers, people in prisons and different migrant/mobile populations. Other vulnerable populations (e.g. sex workers) were not targeted. Overall, good evidence was found for HBV and HCV prevalence and HBV vaccination coverage in the GP and proxy populations. Evidence for these outcomes was weaker in populations at risk for VH. For HBV and HCV incidence and mortality, we identified large evidence gaps in all population groups. Outcomes on VH sequelae and care were mainly covered by studies in clinical populations of people living with viral hepatitis. For HDV the overall evidence available was scarce. CONCLUSIONS We created a comprehensive evidence-based overview on the current epidemiological situation of viral hepatitis in Germany. We identified knowledge gaps for further research and established a baseline for future monitoring of viral hepatitis elimination goals in Germany.
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Estimating age-specific vaccine effectiveness using data from a large measles outbreak in Berlin, Germany, 2014/15: evidence for waning immunity. Euro Surveill 2019; 24:1800529. [PMID: 31039834 PMCID: PMC6628761 DOI: 10.2807/1560-7917.es.2019.24.17.1800529] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 01/23/2019] [Indexed: 11/20/2022] Open
Abstract
BackgroundMeasles elimination is based on 95% coverage with two doses of a measles-containing vaccine (MCV2), high vaccine effectiveness (VE) and life-long vaccine-induced immunity. Longitudinal analysis of antibody titres suggests existence of waning immunity, but the relevance at the population-level is unknown.AimWe sought to assess presence of waning immunity by estimating MCV2 VE in different age groups (2-5, 6-15, 16-23, 24-30 and 31-42 years) in Berlin.MethodsWe conducted a systematic literature review on vaccination coverage and applied the screening-method using data from a large measles outbreak (2014/15) in Berlin. Uncertainty in input variables was incorporated by Monte Carlo simulation. In a scenario analysis, we estimated the proportion vaccinated with MCV2 in those 31-42 years using VE of the youngest age group, where natural immunity was deemed negligible.ResultsOf 773 measles cases (median age: 20 years), 40 had received MCV2. Average vaccine coverage per age group varied (32%-88%). Estimated median VE was > 99% (95% credible interval (CrI): 98.6-100) in the three youngest age groups, but lower (90.9%, 95% CrI: 74.1-97.6) in the oldest age group. In the scenario analysis, the estimated proportion vaccinated was 98.8% (95% CrI: 96.5-99.8).ConclusionVE for MCV2 was generally high, but lower in those aged 31-42 years old. The estimated proportion with MCV2 should have led to sufficient herd immunity in those aged 31-42 years old. Thus, lower VE cannot be fully explained by natural immunity, suggesting presence of waning immunity.
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Durchimpfung von Kindern und Jugendlichen in Deutschland: Aktuelle Daten aus KiGGS Welle 2 und Trends aus der KiGGS-Studie. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 2019; 62:410-421. [DOI: 10.1007/s00103-019-02901-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Inequalities in health care utilization among migrants and non-migrants in Germany: a systematic review. Int J Equity Health 2018; 17:160. [PMID: 30382861 PMCID: PMC6211605 DOI: 10.1186/s12939-018-0876-z] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Accepted: 10/18/2018] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND Despite the growing number of people with migrant background in Germany, a systematic review about their utilization of health care and differences to the non-migrant population is lacking. By covering various sectors of health care and migrant populations, the review aimed at giving a general overview and identifying special areas of potential intervention. METHODS A systematic review was conducted in PubMed database including records that were published until 1st of June 2017. Further criteria for eligibility were a publication in a peer-reviewed journal written in English or German language. The studies have to report quantitative and original data of a population residing in Germany. The appropriateness of the studies was judged by both authors. Studies were excluded if native controls were not originated from the same sample. Moreover, indicators of health care utilization have to assess individual behaviour like consultation or participation rates. 63 studies met the inclusion criteria for a qualitative synthesis of the findings. RESULTS The overall findings indicate a lower utilization among migrants, although the results vary in terms of health care sector, indicator of health care utilization and migrant population. For specialist care, medication use, therapist consultations and counselling, rehabilitation as well as disease prevention (early cancer detection, prevention programs for children and oral health check-ups) a lower utilization among people with migrant background was found. The lower usage was particularly shown for migrants of the 1st generation, people with two-sided migrant background, children/adolescents and women. Due to the methodological heterogeneity a meta-analysis was not feasible. As most of the studies were cross-sectional, no causal interpretations could be drawn. CONCLUSIONS The inequalities in utilization could not substantially be explained by differences in the socioeconomic status. Other reasons of lower utilization could be due to differences in need, preferences, information, language and formal access barriers (e.g. charges, waiting times, travel distances or lost wages). Different migrant-specific and migrant-sensitive strategies are relevant to address the problem for certain health care sectors and migrant populations. TRIAL REGISTRATION The review protocol was registered on PROSPERO ( CRD42014015162 ).
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Marked Underreporting of Pertussis Requiring Hospitalization in Infants as Estimated by Capture-Recapture Methodology, Germany, 2013-2015. Pediatr Infect Dis J 2018; 37:119-125. [PMID: 28723872 DOI: 10.1097/inf.0000000000001698] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND In Germany, pertussis became notifiable in eastern federal states in 2002 and nationwide in March 2013. Infants are at greatest risk for severe disease, with a high proportion requiring hospitalization. We implemented enhanced hospital-based surveillance to estimate the incidence of pertussis requiring hospitalization among infants in Germany and to determine the proportion of infants hospitalized with pertussis too young to have been vaccinated. METHODS Enhanced surveillance was implemented within a nationwide hospital surveillance network (ESPED). We defined cases as children less than 1 year of age hospitalized due to laboratory-confirmed pertussis with disease onset from 01/07/2013-30/06/2015. We matched cases to those ascertained in the national statutory notification system, and estimated incidence using capture-recapture methodology. RESULTS The estimated annual incidence of pertussis requiring hospitalization in infants was 52/100,000 infants (95% confidence interval [CI] 48-57/100,000), with 39% under-reporting to the national notification system. During the two epidemiologic years under-reporting decreased from 46% to 32% and was lower in eastern than western federal states (21% vs. 40%). Within ESPED, 154 of 240 infants (64%) were younger than or still at the age recommended for the first vaccine dose; 55 (23%) could have received one or more vaccine doses. Median length of hospitalization was 9 days (IQR 5-13 days) and 18% required intensive care treatment. CONCLUSIONS Our study revealed a high burden of pertussis in infants with marked under-reporting, especially in western federal states where notification was only recently established. Strategies for the prevention of severe pertussis.
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Heterogeneity in coverage for measles and varicella vaccination in toddlers - analysis of factors influencing parental acceptance. BMC Public Health 2017; 17:724. [PMID: 28927384 PMCID: PMC5606112 DOI: 10.1186/s12889-017-4725-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Accepted: 09/07/2017] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND In 2004, routine varicella vaccination was introduced in Germany for children aged 11-14 months. Routine measles vaccination had already been introduced in 1973 for the same age group, but coverage is still too low (<95%) in some areas to eliminate measles. The present study assessed varicella and measles vaccination coverage and determinants of parental acceptance in two study regions, situated in Northern and Southern Bavaria (Germany). METHODS From 2009 to 2011, annual cross-sectional parent surveys were performed on random samples of 600 children aged 18-36 months in the Bavarian regions of both Munich and Würzburg. Logistic regression models were used to identify factors associated with varicella and measles vaccination. RESULTS In 2009, 2010 and 2011, vaccination coverage was lower in Munich than in Würzburg, for both varicella (Munich 53%, 67%, 69% vs. Würzburg 72%, 81%, 83%) and for measles (Munich 88%, 89%, 91% vs. Würzburg 92%, 93%, 95%). Recommendation by the physician was the main independent factor associated with varicella vaccination in both regions (adjusted odd ratios (OR) with 95% confidence interval (CI): Munich OR 19.7, CI 13.6-28.6; Würzburg OR 34.7, CI 22.6-53.2). Attendance at a childcare unit was positively associated with a higher acceptance of varicella vaccination in Munich (OR 1.5, CI 1.1-2.2). Regarding measles vaccination, attendance at a childcare unit was positively associated in both regions (Munich OR 2.0; CI 1.3-3.0; Würzburg OR 1.8; CI 1.1-3.1), and a higher level of parental school education was negatively associated in Würzburg (OR 0.5, CI 0.3-0.9). CONCLUSIONS Vaccination rates differed between regions, with rates constantly higher in Würzburg. Within each region, vaccination rates were lower for varicella than for measles. Measles vaccination status was mainly dependent upon socio-demographic factors (attendance at a childcare unit, parental school education), whereas for the more recently introduced varicella vaccination recommendation by the physician had the strongest impact. Hence, different strategies are needed to further improve vaccination rates for both diseases.
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Modeling the cost-effectiveness of infant vaccination with pneumococcal conjugate vaccines in Germany. THE EUROPEAN JOURNAL OF HEALTH ECONOMICS : HEPAC : HEALTH ECONOMICS IN PREVENTION AND CARE 2017; 18:273-292. [PMID: 26905404 DOI: 10.1007/s10198-016-0770-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2012] [Accepted: 02/05/2016] [Indexed: 06/05/2023]
Abstract
BACKGROUND In 2009, the European Medicines Agency granted approval for two higher-valent pneumococcal conjugate vaccines. This study aims to evaluate the cost-effectiveness of universal infant (<2 years old) vaccination with a 13-valent pneumococcal conjugate vaccine (PCV13) in comparison with a 10-valent pneumococcal conjugate vaccine (PCV10) for the prevention of pneumococcal disease in Germany. METHODS A population-based Markov model was developed to estimate the impact of PCV13 and PCV10 on invasive pneumococcal disease (IPD), non-invasive pneumonia (PNE), and acute otitis media (AOM) over a time horizon of 50 years. The model included the effects of the historical vaccination scheme in infants as well as indirect herd effects and replacement disease. We used German epidemiological data to calculate episodes of IPD, PNE, and AOM, as well as direct and indirect effects of the vaccination. Parameter uncertainty was tested in univariate and probabilistic sensitivity analyses. RESULTS In the base-case analysis, the ICER of PCV13 versus PCV10 infant vaccination was EUR 9826 per quality-adjusted life-year (QALY) gained or EUR 5490 per life-year (LY) gained from the societal perspective and EUR 3368 per QALY gained or EUR 1882 per LY gained from the perspective of the German statutory health insurance. The results were particularly sensitive to the magnitude of indirect effects of both vaccines. CONCLUSIONS Universal infant vaccination with PCV13 is likely to be a cost-effective intervention compared with PCV10 within the German health care system, if additional net indirect effects of PCV13 vaccination are significant.
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[Prevention among migrants: Participation, migrant sensitive strategies and programme characteristics]. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 2016; 58:584-92. [PMID: 25861044 DOI: 10.1007/s00103-015-2149-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Health promotion and prevention can contribute to a long, healthy life in populations both with and without migrant background. This paper provides an overview on migrant participation in prevention programmes in Germany. Furthermore, we describe migrant sensitive prevention strategies and characteristics of prevention programmes for migrants in Germany. With regard to participation in prevention programmes, lower vaccination rates are found among children and adolescents who migrated to Germany after birth. Among adults with a migrant background, we found lower participation in general health check-ups, oral health check-ups, cancer screening programs and influenza vaccination. Migrant sensitive prevention strategies address the visual style of the material, a target group specific risk communication, language requirements, a systematic involvement of the target group, and the recognition of deeply rooted sociocultural practices and beliefs. On analyzing a large database on prevention programs in Germany, we found only a few programmes that were exclusively targeted to migrant groups (0.6%). In 16.6% of the programs migrants were addressed as the target group among others. Compared to general population programs, programs for migrants were more often exclusively directed towards girls or women. Moreover, programs for migrants used community-based approaches more often and addressed different age groups. Although information on migrant participation in prevention programs and utilization of migrant sensitive strategies is still incomplete, we can assume that there is a need for diversity-oriented, migrant sensitive prevention.
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Seroepidemiology of hepatitis A and B and vaccination status in staff at German schools for the handicapped. J Med Virol 2016; 89:825-833. [PMID: 27696445 DOI: 10.1002/jmv.24699] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/27/2016] [Indexed: 11/09/2022]
Abstract
This study aims to assess serostatus and vaccination status of hepatitis A and B among staff at schools for the handicapped. We also wanted to investigate factors associated with serostatus, number of infections with hepatitis A/hepatitis B at work, and factors influencing being vaccinated or not. The cross-sectional study was carried out between August 2010 and August 2012 at 13 German schools for severely handicapped. Data were analyzed using blood samples, vaccination documents, and questionnaires. A total of 395 persons participated in our study (response: 59.7%), information on 367 could be used for analysis. Two respondents have been infected with HAV at work, 53.4% were anti-HAV seropositive. Vaccination against hepatitis A was influenced by information about infectious diseases before starting to work, level of education, and marital status. One person got infected with hepatitis B during work, 53.2% were anti-HBs-seropositive. Vaccination against hepatitis B depended on perceived burden by nursing activities, and vaccination costs being paid by employer. Immunity to hepatitis A and B in our sample is insufficient and does not correspond to the infectious risks. Two persons got infected with hepatitis A and one person with hepatitis B during work at school, indicating an urgent need for preventive actions. J. Med. Virol. 89:825-833, 2017. © 2016 Wiley Periodicals, Inc.
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[Medical and inpatient care in childhood and adolescence : Representative results of the federal state module Thuringia in KiGGS wave 1]. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 2016; 59:992-1004. [PMID: 27349948 DOI: 10.1007/s00103-016-2385-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
At a young age, health care is mainly provided by doctors in private practice. In this study, the health care of children and adolescents in Thuringia is analysed. Data base is the federal state module Thuringia (2010-2012, n = 4884; 0-17 years), which was conducted by the Robert Koch Institute as part of KiGGS wave 1 (2009-2012). The health care of children and adolescents is described based on 7 indicators: total medical visits, paediatrician visits, general practitioner visits, hospitalisation, health screening examinations and vaccination against human papillomavirus (HPV). Prevalence and mean values with 95 % confidence intervals were reported, and with logistic and linear regressions, the significance of the group differences was examined. Results show that 93.9 % of children and adolescents aged 0-17 years in Thuringia went in the last 12 months to doctors in private practice; the average number of doctor visits was 6.6 contacts. 75.1 % of 0‑ to 17-year-olds were treated by a paediatrician, and 29.9 % visited a general practitioner. In addition, 13.1 % of 0‑ to 17-year-olds in Thuringia have spent at least one night in hospital in the last 12 months; the average number of hospital nights was 7.2. With 90.5 %, the majority of the children aged 7-13 years completed the health screening program for children (U3-U9, without U7a). 67.5 % of the 14- to 17-year-old girls were vaccinated against HPV with at least one dose (lifetime prevalence), and 56.3 % have received a full vaccination with 3 doses. In addition, 62.0 % of 14- to 17-year-old girls went at least once to a gynaecologist. There are significant differences by gender, age, socio-economic status and place of residence (urban/rural). In summation, the results indicate a high utilisation rate by children and adolescents in Thuringia. Additionally, the findings point out prevention potentials such as the vaccination against HPV.
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Immunization rates at the school entry in 2012. DEUTSCHES ARZTEBLATT INTERNATIONAL 2015; 111:788-94. [PMID: 25491557 DOI: 10.3238/arztebl.2014.0788] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Revised: 08/18/2014] [Accepted: 08/18/2014] [Indexed: 11/27/2022]
Abstract
BACKGROUND The immunization rates for some diseases, including measles, were so low in Germany in recent years that endemic outbreaks occurred. A finely detailed geographic analysis of immunization rates is necessary for the identification of under-immunized areas. METHODS We addressed this question with the aid of regional and local data from school entrance examinations, which were made available to us by the health departments of the German federal states. These data are represented both in tabular form and with the aid of a geographical information system (GIS). RESULTS The immunization rates for tetanus, pertussis, and poliomyelitis were high throughout Germany (96.5%, 95.6%, and 95.2%, respectively). In contrast, major variation across regions was seen in immunization rates for hepatitis B (range: 53.5% to 99.1%) and measles (52.1% to 98.3%), with higher immunization rates in areas of the former East Germany. Low immunization rates were particularly evident in some areas in the states of Bavaria and Baden-Württemberg. In some parts of Saxony (a state in the former East Germany), the official immunization recommendations differ from those of the nationwide Standing Committee on Vaccination (STIKO); as a result, these areas had a mean measles immunization rate of only 66.7% among children entering school. CONCLUSION High immunization rates were found across Germany for tetanus, pertussis, and poliomyelitis, although the rates in some regions were lower than they should be. Stronger informational efforts must be undertaken to improve the public acceptance of immunization against hepatitis B and measles, so that these immunization rates can rise. For measles in particular, uniform nationwide recommendations might help increase the immunization rate.
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Stool screening of Syrian refugees and asylum seekers in Germany, 2013/2014: Identification of Sabin like polioviruses. Int J Med Microbiol 2015; 305:601-6. [PMID: 26321005 DOI: 10.1016/j.ijmm.2015.08.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
Germany is a partner of the Global Polio Eradication Initiative. Assurance of polio free status is based on enterovirus surveillance, which focuses on patients with signs of acute flaccid paralysis or aseptic meningitis/encephalitis, representing the key symptoms of poliovirus infection. In response to the wild poliovirus outbreak in Syria 2013 and high number of refugees coming from Syria to Germany, stool samples from 629 Syrian refugees/asylum seekers aged <3 years were screened for wild poliovirus between November 2013 and April 2014. Ninety-three samples (14.8%) were positive in an enterovirus specific PCR. Of these, 12 contained Sabin-like polioviruses. The remaining 81 samples were characterized as non-polio enteroviruses representing several members of groups A-C as well as rhinovirus. Wild-type poliovirus was not detected via stool screening involving molecular and virological methods, indicating a very low risk for the importation by Syrian refugees and asylum seekers at that time.
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Motivation Is Crucial for Immunization Success. DEUTSCHES ARZTEBLATT INTERNATIONAL 2015; 112:402-403. [PMID: 26157015 PMCID: PMC4498012 DOI: 10.3238/arztebl.2015.0402c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
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[Chronic and vaccine-preventable diseases in children and adolescents in Germany: results of the KiGGS study: first follow up (KiGGS wave 1)]. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 2015; 57:779-88. [PMID: 24950827 DOI: 10.1007/s00103-014-1976-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
The German Health Interview and Examination Survey for Children and Adolescents (KiGGS) 2003-2006 is the first nationwide comprehensive study on the health of children and adolescents living in Germany. The KiGGS first interview follow-up is a telephone interview study that collected, among other things, data on a number of chronic and vaccine-preventable diseases in 2009-2012 and is a combined cross-sectional and longitudinal study based on a population registry sample from the 167 KiGGS study points. The analysis is based on 12,368 respondents (7913 KiGGS follow-up participants aged 7-17 years, response 72 % and 4455 newly recruited 0- to 6-year-olds, response 42 %). Based on parent reports the lifetime prevalence of both chickenpox and pertussis has decreased in the population targeted by recently changed vaccination recommendations. For measles the prevalence remained unsatisfactorily high in each investigated age group. Of the children and adolescents aged 0-17 years 16 % (95 % confidence interval CI 15.2-17.0 %) had a long-standing chronic health condition according to the parents. Of these, however, only one in five was affected in their routine daily activities. The lifetime prevalence in 7- to 17-year-olds was 1.2 % (0.9-1.6) for epilepsy (0.4 % for the past 12 months), 5.0 % (4.4-5.7) for migraine, 0.2 % (0.1-0.3) for diabetes and in 0 to 6-year-olds 2.0 % (1.5-2.6) for heart conditions and 3.1 % (2.5-3.8) for febrile seizures with a -prevalence in 0 to 2-year-olds which are most affected of 1.0 % (0.6-1.6) in the past 12 months. The vast majority of children and adolescents in Germany are in good or very good health as suggested by other results reported in this issue; however, chronic conditions are not rare and need continuous monitoring. These results confirm that implementation of the vaccination recommendations of the German Standing Committee on Vaccination (STIKO) can lead to effective prevention of infectious diseases in Germany.
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[Factors influencing the uptake of vaccines by adolescents with migration background. A qualitative study of adolescents, mothers, and physicians]. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 2014; 56:1368-75. [PMID: 23978983 DOI: 10.1007/s00103-013-1800-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
One of the special challenges in immunization policy is communication and access to adolescents. To identify barriers and enablers for the immunization of this specific target group, we conducted 11 focus group discussions with adolescents with and without migration background, mothers with Turkish and Russian migration background, and physicians in private practice in March 2011. The results showed that for adolescents, the utilization of immunization was guided by informational and organizational processes in families and by the consulting physician. The low awareness of immunization-related issues that was observed among adolescents is especially challenging, because routine visits to the doctor often stop with the transition from pediatric to adult health care. Immigration-related factors may additionally affect the utilization of immunization services. Besides improving access to information and lowering the barriers to immunization for adolescents in general, culturally sensitive interventions may be a promising approach for improving communication between mothers and the immunizing physician and thereby improving vaccination coverage in the adolescent target group.
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[Vaccination coverage against measles and sero-epidemiology of measles-specific IgG antibodies in German children and adolescents]. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 2014; 56:1243-52. [PMID: 23990086 DOI: 10.1007/s00103-013-1790-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
BACKGROUND Measles is a vaccine-preventable disease that could be eliminated by global vaccination strategies with two-dose measles vaccination. The World Health Organization (WHO) European Region aims at achieving measles elimination by 2015. Target control is mainly based on verification of 95 % vaccination coverage. In Germany, target verification cannot be based on data from centrally collected registers on vaccination and seroprevalence of measles-specific antibodies. OBJECTIVE This paper provides an overview of measles vaccination coverage and the timeliness of measles vaccination in birth cohorts 1989-2008. In addition, factors associated with vaccination gaps are described. METHODS Primary data on vaccination coverage (annual school entrance health examination) and on vaccination coverage and immune status (population-based German Health Interview and Examination Survey for Children and Adolescents - KiGGS) and secondary data (insurance refund claim data) are described and discussed. RESULTS AND CONCLUSION The measles immunization coverage (two doses) obtained in the 2010 school entrance examinations was 91.5 %. The range was 87.6-95.3 % between Federal States. Regional differences were even more pronounced between districts. The timeliness of the two-dose measles immunization increased from 41 % (birth cohorts 2001/2002) to 66 % (birth cohorts 2006/2008). Despite progress in recent years, measles vaccination coverage is still inadequate in adolescents, young adults, and young children. The German Standing Committee on Vaccination (STIKO) recommends a combined MMR vaccination of adults who were born after 1970 and who were not fully vaccinated against measles during childhood. Successful implementation of this recommendation is crucial just as it is important to step up efforts to improve the timeliness of measles vaccination in young children. Regional vaccination gaps and susceptible clusters defined by age or sociodemographic parameters are of particular importance to the epidemiology of measles disease. Knowledge of the factors associated with nonimmunization should be used to tailor vaccination strategies.
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[Effects of the MMR vaccination on the epidemiology of mumps in Germany]. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 2014; 56:1305-12. [PMID: 23990094 DOI: 10.1007/s00103-013-1784-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Mumps is an acute viral infectious disease characterized by fever and swelling and tenderness of one or more salivary glands, usually the parotid gland. Since 1976, the German Standing Committee on Vaccination (STIKO) has recommended a mumps vaccination as part of the routine immunization schedule in former West Germany. In East Germany, the vaccination was only introduced in 1991 after reunification. In the preceding decades, no comprehensive surveillance system existed in Germany. However, for East Germany and the successional federal states of former East Germany, data on mumps incidence are available from different Eastern surveillance systems for the time period 1968-2012. According to these data, the incidence of mumps has dropped from > 200 cases/100,000 annually in the pre-vaccine era to currently <1/100,000. Recently, an age shift has been noted predominantly in the Western federal states. Based on data from school entry examinations and seroprevalence studies, the age shift is likely due to insufficient vaccination coverage and secondary vaccine failure ("waning immunity"). In view of the changes in mumps epidemiology and the increase of outbreaks among adolescents and young adults, the implementation of a nationwide mandatory notification was initiated and came into effect in March 2013. Mandatory notification enables the early detection of outbreaks and obtainment of comprehensive data for evaluation of the immunization program in place. Regarding the long-term prevention of mumps in Germany, it is hoped that--as part of the measles and rubella elimination effort--coverage rates for the second MMR dose among children will increase nationwide above 95% and existing vaccination gaps among adults will be closed.
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[Knowledge, attitude, and practice concerning measles vaccination. Approaches for national vaccination education]. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 2014; 56:1270-8. [PMID: 23990089 DOI: 10.1007/s00103-013-1791-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Achievement of the goal to eliminate measles by 2015 set by the European region of the World Health Organization (WHO) necessitates an increase in the willingness of German nationals to get vaccinated. To identify influential factors on vaccination behavior as the basis for communication measures specific to target groups, the Federal Centre for Health Education (BZgA) has conducted two representative surveys on attitude, knowledge, and practice concerning vaccination among parents of children between 0 and 13 years as well as among adolescents and adults. The parents' survey (n = 3,002) revealed that more than one-third see measles as a harmless disease. The survey of adolescents and adults (n = 4,483, 16-85 years) also shows that about one-quarter of the interviewees between 16 and 44 years regarded vaccination against measles as not very important. Moreover, 81 % of adults born after 1970 without sufficient existing vaccine protection were not aware of the new measles vaccination recommendation for this age group. Personal consultation with the physician was regarded as the major source of vaccination information in both surveys. About half of all persons interviewed intended to obtain information about vaccinations on the Internet. The results of these studies were used for the development of a nationwide multilevel BZgA campaign on vaccination protection against measles, its goal being to support medical professionals with comprehensive information and to enable adolescents and young adults via different communication measures to make well-informed vaccination decisions.
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Impact of physicians’ attitude to vaccination on local vaccination coverage for pertussis and measles in Germany. Eur J Public Health 2014; 24:1009-16. [DOI: 10.1093/eurpub/cku013] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Risk of febrile convulsions after MMRV vaccination in comparison to MMR or MMR+V vaccination. Vaccine 2013; 32:645-50. [PMID: 24374498 DOI: 10.1016/j.vaccine.2013.12.011] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2013] [Revised: 10/30/2013] [Accepted: 12/10/2013] [Indexed: 11/24/2022]
Abstract
BACKGROUND In July 2006, Priorix-Tetra™, a combined measles-mumps-rubella-varicella (MMRV) vaccine, was licensed in Germany. Since a postlicensure study had shown a more than twofold elevated risk of febrile convulsions (FC) after first dose vaccination with the combined MMRV vaccine ProQuad(®) compared to separately administered MMR and V vaccines (MMR+V), the Paul-Ehrlich-Institute, the German regulatory agency for vaccine licensing and safety, requested a study investigating the risk of FC for Priorix-Tetra™. METHODS We performed a matched cohort study based on claims data of more than 17 million insurees in the German Pharmacoepidemiological Research Database. All children born between 01.01.2004 and 31.12.2008 who received a 1st dose of MMRV vaccine were matched to children vaccinated with MMR, MMR+V and MMR or MMR+V (combined group), respectively, by sex, age, month of vaccination and statutory health insurance. The primary outcome was defined as hospitalization with a diagnosis of FC without any alternative plausible cause of FC, e.g. an infection or neurological condition, coded as main discharge diagnosis. The secondary outcome excluded only neurological conditions to provide a more comparable outcome definition to the one used in the ProQuad(®) study. Numbers needed to harm (NNH), risk ratios and confounder adjusted odds ratios (ORs) with 95% CIs were estimated to compare the exposure groups. RESULTS In the main risk period 5-12 days after immunization, the adjusted ORs of the primary endpoint for immunization with MMRV vaccine relative to the comparator vaccine indicated in brackets were 4.1 [95% CI 1.3-12.7; MMR], 3.5 [0.7-19.0; MMR+V], and 4.1 [1.5-11.1; MMR and MMR+V]. The corresponding ORs for the secondary outcome were 2.3 [1.4-3.9; MMR], 1.5 [0.8-2.9; MMR+V] and 2.4 [1.5-3.9; MMR and MMR+V]. CONCLUSIONS This study in children younger than 5 years, 90% of them between 11 and 23 months, shows a risk of FC similar in magnitude for Priorix-Tetra™ as has previously been reported for ProQuad(®) suggesting a class effect for these quadrivalent vaccines.
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Time since last vaccine dose in PCR-positive and PCR-negative children with suspected pertussis to monitor pertussis vaccine effectiveness. Eur J Clin Microbiol Infect Dis 2013; 33:805-8. [DOI: 10.1007/s10096-013-2016-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2013] [Accepted: 11/06/2013] [Indexed: 10/26/2022]
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Vaccination coverage among children in Germany estimated by analysis of health insurance claims data. Hum Vaccin Immunother 2013; 10:476-84. [PMID: 24192604 PMCID: PMC4185903 DOI: 10.4161/hv.26986] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
In Germany, the national routine childhood immunization schedule comprises 12 vaccinations. Primary immunizations should be completed by 24 mo of age. However, nationwide monitoring of vaccination coverage (VC) is performed only at school entry. We utilized health insurance claims data covering ~85% of the total population with the objectives to (1) assess VC of all recommended childhood vaccinations in birth-cohorts 2004-2009, (2) analyze cross-sectional (at 24 and 36 mo) and longitudinal trends, and (3) validate the method internally and externally. Counting vaccine doses in a retrospective cohort fashion, we assembled individual vaccination histories and summarized VC to nationwide figures. For most long-established vaccinations, VC at 24 mo was at moderate levels (~73-80%) and increased slightly across birth-cohorts. One dose measles VC was high (94%), but low (69%) for the second dose. VC with a full course of recently introduced varicella, pneumococcal, and meningococcal C vaccines increased across birth-cohorts from below 10% above 60%, 70%, and 80%, respectively. At 36 mo, VC had increased further by up to 15 percentage points depending on vaccination. Longitudinal analysis suggested a continued VC increase until school entry. Validation of VC figures with primary data showed an overall good agreement. In conclusion, analysis of health insurance claims data allows for the estimation of VC among children in Germany considering completeness and timeliness of vaccination series. This approach provides valid nationwide VC figures for all currently recommended pediatric vaccinations and fills the information gap between early infancy and late assessment at school entry.
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Immunization coverage and predictive factors for complete and age-appropriate vaccination among preschoolers in Athens, Greece: a cross--sectional study. BMC Public Health 2013; 13:908. [PMID: 24083352 PMCID: PMC3850659 DOI: 10.1186/1471-2458-13-908] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2013] [Accepted: 09/25/2013] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND In Greece, several new childhood vaccines were introduced recently but were reimbursed gradually and at different time points. The aim of this study was to assess immunization coverage and identify factors influencing complete and age-appropriate vaccination among children attending public nurseries in the municipal district of Athens. METHODS A cross-sectional study, using stratified sampling was performed. Immunization history was obtained from vaccination booklets. Demographic and socioeconomic data were obtained from school registries and telephone interviews. Vaccination rates were estimated by sample weighted proportions while associations between complete and age-appropriate immunization and potential determinants by logistic regression analysis. RESULTS A total of 731 children (mean age: 46, median: 48, range: 10-65 months) were included. Overall immunization coverage with traditional vaccines (DTP, polio, Hib, HBV, 1st dose MMR) was satisfactory, exceeding 90%, but the administration of booster doses was delayed (range: 33.7- 97.4%, at 60 months of age). Complete vaccination rates were lower for new vaccines (Men C, PCV7, varicella, hepatitis A), ranging between 61-92%. In addition, a significant delay in timely administration of Men C, PCV7, as well as HBV was noted (22.9%, 16.0% and 27.7% at 12 months of age, respectively). Child's age was strongly associated with incomplete vaccination with all vaccines (p< 0.001), while as immigrant status was a predictor of incomplete (p=0.034) and delayed vaccination (p<0.001) with traditional vaccines. Increasing household size and higher maternal education were negatively associated with the receipt of all and newly licensed vaccines, respectively (p=0.035). CONCLUSIONS Our findings highlight the need to monitor uptake of new vaccines and improve age- appropriate administration of booster doses as well as early vaccination against hepatitis B. Immigrant status, increased household size and high maternal education may warrant targeted intervention.
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Impfung bei Immunsuppression. Monatsschr Kinderheilkd 2013. [DOI: 10.1007/s00112-013-2884-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Abstract
OBJECTIVES Studies on the potential association of socioeconomic status with iodine supply and the risk for thyroid disorders from developed countries are sparse. Socioeconomic status, however, may particularly impact the efficiency of iodine prophylaxis programs, which are based on the voluntary principle. This study aims to investigate whether the socioeconomic status is cross-sectionally and longitudinally related to low urinary excretion or thyroid disorders in the population of northeast Germany. METHODS Data of the population-based Study of Health in Pomerania were used. The study population comprised 4056 adults for cross-sectional and 2860 adults for longitudinal analyses. Assessment of socioeconomic status comprised different scales of education, income, employment, and occupation. Thyroid-related outcomes included urinary iodine excretion, serum thyrotropin, and sonographically defined goiter and nodules. Statistical analyses were adjusted for confounders. RESULTS Some of the socioeconomic variables were associated with thyroid-related characteristics in cross-sectional analyses. For example, there was an overall tendency for groups with higher education and higher income to have larger thyroid volumes and an increased risk of goiter. However, most of these associations did not attain statistical significance after correcting the target p-value for multiple testing. Longitudinal analyses did not demonstrate consistent results. CONCLUSIONS Socioeconomic status neither substantially influences iodine supply nor does it have a major impact on the prevalence and incidence of thyroid deficiency-related disorders in the adult population of northeast Germany, indicating a good efficacy of the German iodine fortification program in all socioeconomic groups.
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The influence of migratory background and parental education on health care utilisation of children. Eur J Pediatr 2012; 171:1533-40. [PMID: 22729242 DOI: 10.1007/s00431-012-1774-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2012] [Accepted: 06/05/2012] [Indexed: 10/28/2022]
Abstract
UNLABELLED School-entry screening data from North Rhine-Westphalia (NRW), Germany from 2007 were used to investigate child health care utilisation. We focussed on the influence of migratory background and parental education on children's (1) participation in regularly scheduled early recognition examinations, (2) immunisation uptake and (3) referrals due to a school-entry screen-detected complaint. The study sample consisted of 52,171 children out of 17 NRW districts. Bivariable, stratified and multivariable analyses were performed to identify relevant associations between social determinants and health care utilisation outcome parameters. Multivariable logistic regression showed that children belonging to families with a migratory background or low parental education were more likely to have an incomplete documentation of early recognition examinations and to be referred due to a new diagnosis. Children with migratory background were more likely to be sufficiently immunised than children with parents of German ethnicity. For all studied health care utilisation outcomes, kindergarten visit had a supportive effect. CONCLUSION In general, the results of our regional study were in line with the results from national population-based studies. Additionally, a larger likelihood of referrals due to school-screen-detected deficits in children with migratory background or low parental education was detected.
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Human papillomavirus vaccine uptake, knowledge and attitude among 10th grade students in Berlin, Germany, 2010. Hum Vaccin Immunother 2012; 9:74-82. [PMID: 22995838 DOI: 10.4161/hv.22192] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
PURPOSE Since March 2007, the Standing Committee on Vaccination (STIKO) recommends HPV vaccination for all 12-17 y-old females in Germany. In the absence of an immunization register, we aimed at assessing HPV-vaccination coverage and knowledge among students in Berlin, the largest city in Germany, to identify factors influencing HPV-vaccine uptake. METHODS Self-administered questionnaires were distributed to 10th grade school students in 14 participating schools in Berlin to assess socio-demographic characteristics, knowledge, and statements on vaccinations. Vaccination records were reviewed. Multivariable statistical methods were applied to identify independent predictors for HPV-vaccine uptake among female participants. RESULTS Between September and December 2010, 442 students completed the questionnaire (mean age 15.1; range 14-19). In total 281/442 (63.6%) students specified HPV correctly as a sexually transmitted infection. Of 238 participating girls, 161 (67.6%) provided their vaccination records. Among these, 66 (41.0%) had received the recommended three HPV-vaccine doses. Reasons for being HPV-unvaccinated were reported by 65 girls: Dissuasion from parents (40.2%), dissuasion from their physician (18.5%), and concerns about side-effects (30.8%) (multiple choices possible). The odds of being vaccinated increased with age (Odds Ratio (OR) 2.19, 95% Confidence Interval (CI) 1.16, 4.15) and decreased with negative attitude toward vaccinations (OR = 0.33, 95%CI 0.13, 0.84). CONCLUSIONS HPV-vaccine uptake was low among school girls in Berlin. Both, physicians and parents were influential regarding their HPV-vaccination decision even though personal perceptions played an important role as well. School programs could be beneficial to improve knowledge related to HPV and vaccines, and to offer low-barrier access to HPV vaccination.
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Seroprevalence of measles-, mumps- and rubella-specific IgG antibodies in German children and adolescents and predictors for seronegativity. PLoS One 2012; 7:e42867. [PMID: 22880124 PMCID: PMC3412821 DOI: 10.1371/journal.pone.0042867] [Citation(s) in RCA: 79] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2012] [Accepted: 07/12/2012] [Indexed: 11/18/2022] Open
Abstract
We have undertaken a seroprevalence study with more than 13,000 children, who had been included in the German KIGGS survey, a representative sample of children and adolescents 0-17 years of age. The IgG titres against measles, mumps and rubella were determined in 1 to 17 year olds While 88.8% of the children were MMR-vaccinated at least once, 76.8% of children aged 1 to 17 years showed prevalence of antibodies to MMR. The highest seronegativity was seen with respect to mumps. Gender differences were most pronounced with regard to rubella IgG titres: girls aged 14 to 17 years were best protected, although seronegativity in 6.8% of this vulnerable group still shows the need of improvement. Search for predictors of missing seroprevalence identified young age to be the most important predictor. Children living in the former West and children born outside of Germany had a higher risk of lacking protection against measles and rubella, while children with a migration background but born in Germany were less often seronegative to measles antibodies than their German contemporaries. An association of seronegativity and early vaccination was seen for measles but not for mumps and rubella. A high maternal educational level was associated with seronegativity to measles and rubella. In vaccinated children, seronegativity was highest for mumps and lowest for rubella. For mumps, high differences were observed for seronegativity after one-dose and two-dose vaccination, respectively. Seronegativity increases as time since last vaccination passes thus indicating significant waning effects for all three components of MMR.
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Two consecutive measles outbreaks with genotypes D8 and D4 in two mainly unvaccinated communities in Germany. Med Microbiol Immunol 2012; 201:349-55. [PMID: 22570014 DOI: 10.1007/s00430-012-0240-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2012] [Accepted: 04/19/2012] [Indexed: 11/29/2022]
Abstract
A measles infection in a 13-year-old student from a free progressive school was the index case for an outbreak in Essen in 2010. In this type of school, mainly unvaccinated and measles-susceptible children accumulate. This observation is confirmed by the fact that some of the recent outbreaks originated in such institutions. In Essen, this outbreak was followed by a second smaller outbreak in unvaccinated children and adults in a low socio-economic setting and migration background. Measles were diagnosed clinically and/or were serologically confirmed. Genotyping of measles isolates was performed by PCR and sequencing. Vaccination certificates were checked by the Community Health Centre (CHC) of the City of Essen. Measures to prevent the spread of the infection were implemented and enforced according to the National Protection Against Infection Act (IfSG). In total, 86 cases of measles were notified from March to July 2010. Of all infected patients, 97 % had had no vaccination and 15 % had to be hospitalised. Clinical courses showed the severity of this infection. Epidemiologic evaluation and genotyping of measles virus (MV) detected in Essen revealed the presence of two distinct chains of MV transmission by genotypes D8 and D4 causing two independent outbreaks. The outbreaks were caused by the index cases, and the spread of infection was facilitated by insufficient vaccination coverage in certain groups. Immediate suspension of non-immune children from classes for 2 weeks might have limited the outbreak in the free progressive school. Overall, high measles vaccination coverage in children and adolescents in regular schools in Essen presumably prevented a greater spread of the virus.
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Sind sich Jugendliche über die Gefahren einer Hepatitis-B-Virusinfektion als Geschlechtskrankheit bewusst? Monatsschr Kinderheilkd 2012. [DOI: 10.1007/s00112-011-2559-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Community-based health promotion for socially disadvantaged mothers as health managers of their families: strategies for accessing the target group and their effectiveness. J Public Health (Oxf) 2012. [DOI: 10.1007/s10389-011-0486-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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Determinants of tetanus and seasonal influenza vaccine uptake in adults living in Germany. HUMAN VACCINES 2011; 7:1317-25. [PMID: 22108034 DOI: 10.4161/hv.7.12.18130] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The primary objective of this study was to assess determinants of vaccine uptake in adults living in Germany exemplified by one standard vaccination (tetanus) and one vaccination targeting specific risk-groups (seasonal influenza). Data from 21,262 telephone household-interviews representative of the adult population in Germany were collected in 2009 and analysed. A total 73.1% of the adult population had a sufficient tetanus vaccination status according to national recommendations (i.e. last tetanus shot ≤10 years ago). Influenza vaccination coverage in the target population (i.e. persons ≥60 years, chronically ill, healthcare workers) was 44.1%. Persons who received professional vaccination advice within the past five years were more frequently vaccinated against tetanus and influenza than persons without (p< 0.001). Private physicians were identified as the most important source for vaccination advice. Having a statutory health insurance, last physician contact < 1 year ago, and living in the eastern part of Germany were independently associated with higher tetanus and influenza vaccine uptake. Low socio-economic status, two-sided migration background, and the feeling of being insufficiently informed on the benefits of vaccination were independently associated with low uptake of tetanus but not influenza vaccines. Our results show that tetanus vaccination coverage in the general adult population and influenza vaccination coverage in the target population are unsatisfactorily low in Germany. Since physicians' advice has a major impact on the vaccination decision, physician reminder systems could provide a method to increase vaccination coverage in adults. For tetanus, information activities should target population groups with an increased risk of being undervaccinated.
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Sero-epidemiology of measles-specific IgG antibodies and predictive factors for low or missing titres in a German population-based cross-sectional study in children and adolescents (KiGGS). Vaccine 2011; 29:7949-59. [DOI: 10.1016/j.vaccine.2011.08.081] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2011] [Revised: 08/03/2011] [Accepted: 08/15/2011] [Indexed: 10/17/2022]
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Assessment of mumps virus-specific antibodies by different serological assays: which test correlates best with mumps immunity? Eur J Clin Microbiol Infect Dis 2011; 30:1223-8. [PMID: 21455663 DOI: 10.1007/s10096-011-1216-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2010] [Accepted: 03/03/2011] [Indexed: 12/01/2022]
Abstract
Mumps is one of the vaccine-preventable childhood diseases and it has not yet been eradicated in Germany. This raises the question as to whether the available mumps vaccines are effective enough to prevent mumps and which antibody test system allows the authentic assigning of mumps-specific immunity. In an attempt to answer this question, we analysed 227 sera samples from medical students of the University Hospital Frankfurt/Main, Germany, using different test systems: indirect immune fluorescence, neutralisation assay, routine ELISA and newly developed immunoassays, which contain the mumps nucleoprotein and the wild-type strain Enders ATCC VR106, respectively. Mumps vaccination coverage of the screened collective amounted to 75.1%, which differs notably from the detected mumps-specific seropositivity rates in the literature (range 53.3% to 82.4%). In contrast, a small group of unvaccinated students had much higher seropositivity rates. Of course, assigned vaccination coverage and calculated seropositivity rates are not effective enough to interrupt the transmission of the mumps virus. The often-occurring mumps outbreaks, some in highly vaccinated populations, may not always demonstrate vaccine failure. The investigation of newly developed test systems and the occurrence of different mumps virus genotypes should also be considered.
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Hepatitis B virus infections among children and adolescents in Germany: migration background as a risk factor in a low seroprevalence population. Pediatr Infect Dis J 2011; 30:19-24. [PMID: 20683220 DOI: 10.1097/inf.0b013e3181ef22d5] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
BACKGROUND Data on hepatitis B (HB) infection prevalence among children and adolescents in Germany are scarce. We estimated seroprevalence of HB infection and assessed determinants for HB infection among children and adolescents in Germany from a representative population sample. METHODS From 2003 to 2006, the Robert Koch Institute conducted a nationwide cross-sectional Health Interview and Examination Survey for Children and Adolescents in Germany. Data on age, gender, migration background, and socioeconomic status were collected through questionnaires. A child was defined as having a 2-sided migration background if both parents, or the child and 1 parent, immigrated, and a 1-sided migration background if only 1 parent immigrated. Among children with migration background, a first-generation migrant was defined as born outside Germany; a second-generation migrant was born in Germany. Information on HB vaccination status was obtained from vaccination cards. Serologic samples from participants were tested for anti-hepatitis B core antigen (anti-HBc) and hepatitis B surface antigen. We performed weighted univariable and multivariable logistic regression analyses to assess determinants for HB infection. RESULTS Of 13,065 participants (3-17 years), 0.5% (95% confidence interval [CI], 0.4-0.7) were anti-HBc positive, among whom 38.7% (95% CI, 20.0-57.5) were hepatitis B surface antigen positive. Two-sided migration background and being a first- or second-generation migrant were significantly associated with anti-HBc positivity (odds ratio [OR]: 8.3, 95% CI: 4.0 –17.4; OR: 11.0, 95% CI: 3.5-35.0; OR: 3.0, 95% CI: 1.2-7.3). No further determinants were found. CONCLUSIONS HB infection is rare among children and adolescents in Germany. First- and second-generation migrant children can be considered to be at risk for HB infection, 2-sided migration background or being a first-generation migrant carried the greatest risk. Targeted testing for HB infection and early HB vaccination should be provided to immigrants' children.
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A modified self-controlled case series method to examine association between multidose vaccinations and death. Stat Med 2010; 30:666-77. [DOI: 10.1002/sim.4120] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2010] [Accepted: 09/19/2010] [Indexed: 11/07/2022]
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Früherkennungsuntersuchungen als Instrument im Kinderschutz. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 2010; 53:1029-47. [DOI: 10.1007/s00103-010-1134-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Low hepatitis B immunogenicity of a hexavalent vaccine widely used in Germany: results of the German Health Survey for Children and Adolescents, 2003–2006. Epidemiol Infect 2010; 138:1621-9. [DOI: 10.1017/s0950268810000543] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
SUMMARYThe success of childhood vaccination against hepatitis B relies on persistence of immunity into adolescence and adulthood. In 2000, two hexavalent vaccines with a hepatitis B component (Hexavac®, Infanrix hexa®) were introduced in Germany. Hexavac was withdrawn in 2005 amidst concerns about its long-term hepatitis B protection. We compared hepatitis B surface antibody (anti-HBs) levels in children fully vaccinated with Hexavac or Infanrix hexa (n=477) in a secondary data analysis of a large cross-sectional health survey in Germany. On average 2·4 years after vaccination, 25·3% of Hexavac vaccinees had anti-HBs levels <10 mIU/ml (95% CI 19·0–32·8) compared to 4·7% of Infanrix hexa vaccinees (95% CI 2·4–8·9). These findings suggest that short-term hepatitis B immunogenicity in Hexavac vaccinees may also be weaker. Further studies are warranted to assess whether Hexavac vaccinees should be re-vaccinated or receive a booster vaccination before these birth cohorts reach adolescence.
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[Overview and assessment of available data sources to determine incidence of vaccine preventable diseases, vaccination coverage, and immune status in Germany]. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 2010; 52:1019-28. [PMID: 19823785 DOI: 10.1007/s00103-009-0952-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The surveillance of vaccine preventable diseases and vaccination coverage is necessary in order to deliver epidemiological data with respect to national vaccination recommendations and control targets. The data available on the incidence of vaccine preventable diseases, vaccination coverage, and immune status of the population are fragmentary and do not allow the epidemiological situation to be fully assessed. Although the majority of vaccine preventable diseases are under surveillance nationwide (by statutory reporting or sentinel surveillance), data are not available for some diseases. In addition, data on vaccination coverage are not collected centrally. Nationwide data on vaccination coverage are only available for children at school entry. Use of secondary data such as data from health insurance companies or associations of statutory health insurance physicians provides an opportunity to close gaps in knowledge and to improve the surveillance of vaccine preventable diseases.
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[Risk factors for delayed or missed measles vaccination in young children]. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 2010; 52:1045-51. [PMID: 19795100 DOI: 10.1007/s00103-009-0958-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Because of low measles vaccine coverage rates, measles outbreaks have been observed several times during recent years in Germany. The aim of this study is to identify parents' attitudes and beliefs towards immunisations and socio-economic factors which are associated with delayed or missed first measles vaccination in young children. We used data from a representative German-wide immunisation survey on 2116 children born between 1 January 2002 and December 2004 by collecting precise vaccination information from vaccination cards. The influence of socio-economic determinants and parental attitudes towards immunisations on the timing of the first measles dose was analysed by using multivariable Cox regression. Of these children 46.8% (95% CI: 44.5-49.1) received their first measles dose according to the recommendations of the standing committee on vaccination (STIKO) by month 15. In multivariable analysis, fathers aged 28-33 years and birth order as well as parents' belief in homeopathy and other parental attitudes indicating lack of knowledge about the importance of vaccinations significantly influenced an early immunisation. Not general opposition, but insufficient parental knowledge about the harmfulness of measles infection seemed to be responsible for the low measles vaccination rates.
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[Current vaccination coverage and immunization gaps of children and adolescents in Germany]. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 2010; 52:1037-44. [PMID: 19756337 DOI: 10.1007/s00103-009-0957-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Available data show increasing vaccination coverage of children and adolescents in recent years in Germany. Vaccination coverage of children against diphtheria, tetanus, polio and haemophilus influenzae Type b is high. Vaccination gaps exist for pertussis, hepatitis B and for the second measles, mumps and rubella doses. Coverage is still insufficient to achieve effective herd immunity and measles elimination. Data from the representative German Health Interview and Examination Survey for Children and Adolescents reveal that vaccination of infants is markedly delayed compared to recommendations of the German Standing Committee on Vaccination (STIKO). Particularly older children and adolescents are often not fully vaccinated or are even unvaccinated. A high proportion is missing the recommended booster doses against diphtheria, tetanus, pertussis and polio. Vaccination compliance especially regarding completeness and timeliness is lower in western than eastern Germany, as well as in children of vaccine sceptics and foreign-born children. More comprehensive surveillance of vaccination coverage and adverse events following immunization as well as the implementation of a national immunization plan focussing on closure of immunization gaps could lead to improved vaccination coverage.
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Abstract
AIM Evaluation of the coverage of primary diphtheria-tetanus-pertussis (DTP), poliomyelitis, hepatitis B (HBV) and measles-mumps-rubella (MMR) vaccine doses recommended before the age of 18 months in 7-year-old school children in Flanders, Belgium. Meningococcal serogroup C and DT-polio vaccines offered respectively as catch-up and booster vaccinations were also evaluated. METHODS Parents of 792 children born in Flanders in 1997 and selected by cluster sampling were interviewed at home in 2005. Vaccination data since infancy were collected retrospectively from vaccination documents and school health records. RESULTS Coverage rates were 88.0% for the first dose of MMR, and 72.0%, 84.2% and 91.4% for the recommended HBV, DTP and poliomyelitis primary vaccine doses, respectively. These rates included catch-up of missed infant MMR (4.9%) and HBV (6.4%) vaccinations. In addition, 88.3% of the target group received the DT-polio booster dose recommended at 6 years of age and 83.1% a meningococcal C vaccine dose. Preventive public health services as well as private physicians were involved to a varying extent. A lower socioeconomic status of the family was associated with a higher risk of nonvaccination. CONCLUSION Vaccinators in Flanders reach children relatively well during infancy and at school age, but catch-up of missed infant vaccine doses, especially MMR, should be optimized.
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