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Xiang WQ, Li L, Guo YJ, Lin J, Li W. The Impact of COVID-19 Public Health Measures on Detection of Other Respiratory Viruses in Children during the Winter of 2020–2021 in Hangzhou, China. J PEDIAT INF DIS-GER 2022. [DOI: 10.1055/s-0042-1756712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
Abstract
Objective Acute respiratory tract infection (ARTI) is one of the main diseases in childhood. This study aimed to monitor the distribution of respiratory tract viruses in children with ARTI in the impact of coronavirus disease 2019 (COVID-19).
Methods We conducted surveillance of 2019 novel coronavirus, human metapneumovirus, respiratory syncytial virus, human adenovirus, human parainfluenza virus 1–3, and influenza A and B virus by using quantitative real-time polymerase chain reaction.
Results During the winter of 2020 to 2021, among the 1,442 throat swabs we collected, 937 (64.98%, 937/1,442) were positive for respiratory viruses. Respiratory syncytial virus was the most frequently detected respiratory virus (34.12%, 492/1,442) and 2019 novel coronavirus and influenza A and B virus were not detected in the study period. Coinfection was observed in 156 positive samples including 149 samples of double infection and 7 of triple infection. The positive rate of viral respiratory tract infection in infants less than 6 months was the highest (72.95%) in the study period.
Conclusion There are some differences in the distribution of respiratory viruses in children after the outbreak of COVID-19 in Hangzhou, China.
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Affiliation(s)
- Wen-qing Xiang
- Department of Clinical Laboratory, The Children's Hospital, National Clinical Research Center For Child Health, Zhejiang University School of Medicine, Hangzhou, P.R. China
| | - Lin Li
- Department of Clinical Laboratory, The Children's Hospital, National Clinical Research Center For Child Health, Zhejiang University School of Medicine, Hangzhou, P.R. China
| | - Ya-jun Guo
- Department of Clinical Laboratory, The Children's Hospital, National Clinical Research Center For Child Health, Zhejiang University School of Medicine, Hangzhou, P.R. China
| | - Jian Lin
- Department of Clinical Laboratory, The Children's Hospital, National Clinical Research Center For Child Health, Zhejiang University School of Medicine, Hangzhou, P.R. China
| | - Wei Li
- Department of Clinical Laboratory, The Children's Hospital, National Clinical Research Center For Child Health, Zhejiang University School of Medicine, Hangzhou, P.R. China
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2
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Chu FL, Li C, Chen L, Dong B, Qiu Y, Liu Y. Respiratory viruses among pediatric inpatients with acute lower respiratory tract infections in Jinan, China, 2016-2019. J Med Virol 2022; 94:4319-4328. [PMID: 35593042 DOI: 10.1002/jmv.27875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 04/16/2022] [Accepted: 05/17/2022] [Indexed: 11/06/2022]
Abstract
The viral etiologies responsible for acute lower respiratory tract infections (ALRI) are a major cause of pediatric hospitalization, and some develop severe diseases requiring pediatric intensive care unit (PICU) admission. The aim of this study was to determine the prevalence of viruses and risk factors associated with PICU admission among patients hospitalized for ALRI. Nasopharyngeal swabs were collected to detect human rhinovirus (HRV), influenza A and B viruses (IAV, IBV), parainfluenza viruses (PIV), and respiratory syncytial virus (RSV) by reverse transcription-polymerase chain reaction (RT-PCR) and adenovirus (ADV) by PCR. Of the 5590 pediatric inpatients enrolled, respiratory viral infection occurred in 2102 (37.60%) patients, including 1846 (33.02%) single and 256 (4.58%) mixed viral infections. Among the nasopharyngeal swabs from pediatric inpatients, HRV accounted for the highest detection rate (16.48%), followed by PIV (8.35%), RSV (7.41%), ADV (4.63%), IAV (3.51%), and IBV (2.08%). The positive rate of viral tests decreased with increasing age and was higher in males (39.29%) than females (34.67%). The prevalence of viral infection was the highest in winter (41.57%) and lowest in autumn (31.78%). Each virus had a seasonal pattern, with peaks occurring in months of their epidemic seasons. RSV infection and the presence of comorbidities including congenital tracheal stenosis, congenital heart disease, metabolic disorder, immunodeficiency, renal disease, gastrointestinal disease and neurological disorder might be associated with the need for PICU admission. Therefore, this study provides useful information for the prevention and control of virus-related respiratory diseases and the early identification of and the intervention in severe cases. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Fu-Lu Chu
- Department of Clinical Laboratory, Shandong Provincial Hospital affiliated to Shandong First Medical University, Jinan, Shandong, PR China
| | - Chen Li
- Jinan hospital, Jinan, Shandong, PR China
| | - Li Chen
- Department of Ultrasound, Shandong Provincial Hospital affiliated to Shandong First Medical University, Jinan, Shandong, PR China
| | - Bo Dong
- Department of Cardiology, Shandong Provincial Hospital affiliated to Shandong First Medical University, Jinan, Shandong, PR China
| | - Yang Qiu
- Department of Clinical Laboratory, Shandong Provincial Hospital affiliated to Shandong First Medical University, Jinan, Shandong, PR China
| | - Yiqing Liu
- Department of Clinical Laboratory, Shandong Provincial Hospital affiliated to Shandong First Medical University, Jinan, Shandong, PR China
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3
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Ren S, Shi T, Shan W, Shen S, Chen Q, Zhang W, Dai Z, Xue J, Zhang T, Tian J, Zhao G. Hospitalization rate of respiratory syncytial virus-associated acute lower respiratory infection among young children in Suzhou, China, 2010-2014. Influenza Other Respir Viruses 2022; 16:789-799. [PMID: 34989118 PMCID: PMC9178065 DOI: 10.1111/irv.12958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/16/2021] [Accepted: 12/20/2021] [Indexed: 11/28/2022] Open
Abstract
Background There is a limited amount of data in China on the disease burden of respiratory syncytial virus‐ (RSV) associated acute lower respiratory infection (ALRI) among young children. This study aimed to estimate the hospitalization rate of RSV‐associated ALRI (RSV‐ALRI) among children aged 0–59 months in Suzhou, China. Methods All cases from children hospitalized with ALRI who were aged 0–59 months in Suzhou University Affiliated Children's Hospital during January 2010 to December 2014 were retrospectively identified. Detailed diagnosis and treatment data were collected by reviewing each individual's medical chart. In accordance with the World Health Organization (WHO) influenza disease burden estimation, the hospitalization rate of RSV‐ALRI among children aged 0–59 months in Suzhou, China, was then estimated. Results Out of the 28,209 ALRI cases, 19,317 (68.5%) were tested for RSV, of which the RSV positive proportion was 21.3% (4107/19,317). The average hospitalization rate of RSV‐ALRI for children aged 0–59 months was 14 (95% confidence interval [CI]:14–14)/1000 children years, and that for children aged 0–5, 6–11, 12–23, and 24–59 months were 70 (95% CI: 67–73), 31 (95% CI: 29–33), 11 (95% CI: 10–12), and 3 (95% CI: 3–3)/1000 children years, respectively. Conclusion A considerable degree of RSV‐ALRI hospitalization exists among children aged 0–59 months, particularly in those under 1 year of age. Therefore, an effective monoclonal antibody or vaccine is urgently needed to address the substantial hospitalization burden of RSV infection.
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Affiliation(s)
- Shaolong Ren
- Department of Epidemiology, School of Public Health, Fudan University, Key Laboratory of Public Health Safety, Ministry of Education, Shanghai, China
| | - Ting Shi
- Soochow University Affiliated Children's Hospital, Suzhou, China
| | - Wei Shan
- Department of Epidemiology, School of Public Health, Fudan University, Key Laboratory of Public Health Safety, Ministry of Education, Shanghai, China
| | - Si Shen
- Department of Epidemiology, School of Public Health, Fudan University, Key Laboratory of Public Health Safety, Ministry of Education, Shanghai, China
| | - Qinghui Chen
- Soochow University Affiliated Children's Hospital, Suzhou, China
| | - Wanqing Zhang
- Department of Epidemiology, School of Public Health, Fudan University, Key Laboratory of Public Health Safety, Ministry of Education, Shanghai, China
| | - Zirui Dai
- Department of Epidemiology, School of Public Health, Fudan University, Key Laboratory of Public Health Safety, Ministry of Education, Shanghai, China
| | - Jian Xue
- Soochow University Affiliated Children's Hospital, Suzhou, China
| | - Tao Zhang
- Department of Epidemiology, School of Public Health, Fudan University, Key Laboratory of Public Health Safety, Ministry of Education, Shanghai, China
| | - Jianmei Tian
- Soochow University Affiliated Children's Hospital, Suzhou, China
| | - Genming Zhao
- Department of Epidemiology, School of Public Health, Fudan University, Key Laboratory of Public Health Safety, Ministry of Education, Shanghai, China
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Duan Y, He J, Cui Y, Li W, Jiang Y. Characteristics and forecasting of respiratory viral epidemics among children in west China. Medicine (Baltimore) 2021; 100:e25498. [PMID: 33879683 PMCID: PMC8078258 DOI: 10.1097/md.0000000000025498] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 03/15/2021] [Indexed: 02/05/2023] Open
Abstract
We aimed to assess the respiratory virus characteristics and forecasts among young children with acute respiratory tract infection (ARTI) in west China.This retrospective study investigated the epidemic characteristics of respiratory viruses among 11,813 paediatric ARTI patient samples (mean age, 2.25 years) between March 2018 and March 2020.The ratio of boys to girls was 1.36. The 2 predominant viruses were influenza (Flu) A and respiratory syncytial virus (RSV) in both years, with Flu A accounting for 47.3% and 47.5% in the first and second years and RSV accounting for 32.7% and 24.7% of the positive samples in the first and second years, respectively. The Flu B positive rates were 10.9% and 13.1%, and those of the other 4 viruses were <7%. The most common virus was RSV in children below 5 years and Flu A in those between 5 and 10 years. Flu A and RSV demonstrated pronounced seasonality, and their infection rates increased from October. During the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) pandemic, isolation measures led to a decline in the number of ARTI cases.This study provides surveillance data of the respiratory viruses in west China. It could guide medical staff in implementing necessary prevention and management strategies before future viral outbreaks.
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Affiliation(s)
- Yifei Duan
- Department of Laboratory Medicine, West China Second University Hospital
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education
| | - Jinlan He
- Departments of Head and Neck Oncology and Radiation Oncology, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yali Cui
- Department of Laboratory Medicine, West China Second University Hospital
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education
| | - Wensheng Li
- Department of Laboratory Medicine, West China Second University Hospital
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education
| | - Yongmei Jiang
- Department of Laboratory Medicine, West China Second University Hospital
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education
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Birindwa AM, Manegabe JT, Mindja A, Nordén R, Andersson R, Skovbjerg S. Decreased number of hospitalized children with severe acute lower respiratory infection after introduction of the pneumococcal conjugate vaccine in the Eastern Democratic Republic of the Congo. Pan Afr Med J 2021; 37:211. [PMID: 33520050 PMCID: PMC7821803 DOI: 10.11604/pamj.2020.37.211.22589] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 04/07/2020] [Indexed: 11/13/2022] Open
Abstract
Introduction acute lower respiratory infections (ALRI) are a leading killer of children under five worldwide including the Democratic Republic of the Congo (DR Congo). We aimed to determine the morbidity and case fatality rate due to ALRI before and after introduction of the 13-valent pneumococcal conjugate vaccine (PVC13) in DR Congo 2013. Methods data were collected from medical records of children with a diagnosis of ALRI, aged from 2 to 59 months, treated at four hospitals in the Eastern DR Congo. Two study periods were defined; from 2010 to 2012 (before introduction of PCV13) and from 2014 to 2015 (after PCV13 introduction). Results out of 21,478 children admitted to the hospitals during 2010-2015, 2,007 were treated for ALRI. The case fatality rate among these children was 4.9%. Death was significantly and independently associated with malnutrition, severe ALRI, congenital disease and symptoms of fatigue. Among the ALRI hospitalised children severe ALRI decreased from 31% per year to 18% per year after vaccine introduction (p = 0.0002) while the fatality rate remained unchanged between the two study periods. Following introduction of PCV13, 63% of the children diagnosed with ALRI were treated with ampicillin combined with gentamicin while 33% received ceftriaxone and gentamicin. Conclusion three years after PCV13 introduction in the Eastern part of the DR Congo, we found a reduced risk of severe ALRI among children below five years. Broad-spectrum antibiotics were frequently used for the treatment of ALRI in the absence of any microbiological diagnostic support.
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Affiliation(s)
- Archippe Muhandule Birindwa
- Department of Infectious Disease, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden.,Panzi Hospital, Bukavu, Democratic Republic of Congo.,Université Évangélique en Afrique, Bukavu, Democratic Republic of Congo
| | | | - Aline Mindja
- Panzi Hospital, Bukavu, Democratic Republic of Congo
| | - Rickard Nordén
- Department of Infectious Disease, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden.,Department of Clinical Microbiology, Sahlgrenska University Hospital, Gothenburg, Region Västra Götaland, Sweden
| | - Rune Andersson
- Department of Infectious Disease, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden.,Department of Clinical Microbiology, Sahlgrenska University Hospital, Gothenburg, Region Västra Götaland, Sweden.,Centre for Antibiotic Resistance Research (CARe), Gothenburg University, Gothenburg, Sweden
| | - Susann Skovbjerg
- Department of Infectious Disease, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden.,Department of Clinical Microbiology, Sahlgrenska University Hospital, Gothenburg, Region Västra Götaland, Sweden.,Centre for Antibiotic Resistance Research (CARe), Gothenburg University, Gothenburg, Sweden
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Chen L, Han X, Li Y, Zhang C, Xing X. The Clinical Characteristics and Outcomes of Adult Patients With Pneumonia Related to Three Paramyxoviruses. Front Med (Lausanne) 2021; 7:574128. [PMID: 33537323 PMCID: PMC7848145 DOI: 10.3389/fmed.2020.574128] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 12/14/2020] [Indexed: 02/05/2023] Open
Abstract
Background: Respiratory syncytial virus (RSV), human metapneumovirus (hMPV), and human parainfluenza virus (hPIV) are paramyxoviruses (PMVs) that are important etiologies of community-acquired pneumonia. However, current knowledge about the clinical features and outcomes of PMV-related pneumonia (PMV-p) is limited. We aimed to investigate the clinical characteristics and disease severity in immunocompetent adults hospitalized with hMPV-related pneumonia (hMPV-p), hPIV-related pneumonia (hPIV-p), or RSV-related pneumonia (RSV-p). Methods: We retrospectively recruited 488 patients with PMV-p (153 with RSV-p, 137 with hMPV-p, and 198 with hPIV-p) from five teaching hospitals in China during 2011–2019. Univariate and multivariate analyses were performed to identify predictors to distinguish hMPV-p/hPIV-p from RSV-p and evaluate the effects of virus types on the clinical outcomes. Results: Compared with RSV-p, sputum production [odds ratio (OR) 5.029, 95% confidence interval (CI) 2.452–10.312, P < 0.001] was positively associated with hMPV-p, while solid malignant tumor (OR 0.346, 95% CI 0.126–0.945, P = 0.038), nasal congestion (OR 0.102, 95% CI 0.041–0.251, P < 0.001), and respiratory rate ≥ 30 breaths/min (OR 0.296, 95% CI 0.136–0.640, P = 0.002) were negatively related to hMPV-p. Sputum production (OR 13.418, 95% CI 6.769–26.598, P < 0.001) was positively associated with hPIV-p, while nasal congestion (OR 0.194, 95% CI 0.098–0.387, P < 0.001), dyspnea (OR 0.469, 95% CI 0.272–0.809, P < 0.001), and respiratory rate ≥30 breaths/min (OR 0.090, 95% CI 0.032–0.257, P < 0.001) on admission were negatively related to hPIV-p. After adjustment for confounders, multivariate logistic regression analysis suggested that hMPV-p (OR 0.355, 95% CI 0.135–0.932, P = 0.035) and hPIV-p (OR 0.311, 95% CI 0.121–0.784, P = 0.013) were associated with decreased 30-day mortality compared with RSV-p. RSV infection (OR 4.183, 95% CI 1.709–10.236, P = 0.002) was identified as an independent predictor of 30-day mortality in patients with PMV-p. Conclusion: RSV-p caused more severe disease than hMPV-p and hPIV-p. Although some clinical features are helpful for distinguishing the diseases, etiologic diagnosis is critical in the management of the PMV-p.
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Affiliation(s)
- Liang Chen
- Department of Infectious Diseases, Beijing Jishuitan Hospital, 4th Medical College of Peking University, Beijing, China
| | - Xiudi Han
- Department of Pulmonary and Critical Care Medicine, Qingdao Municipal Hospital, Qingdao, China
| | - YanLi Li
- Department of Infectious Diseases and Clinical Microbiology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Chunxiao Zhang
- Department of Pulmonary and Critical Care Medicine, Beijing Huimin Hospital, Beijing, China
| | - Xiqian Xing
- Department of Pulmonary and Critical Care Medicine, The 2nd People's Hospital of Yunnan Province, Kunming, China
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7
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He L, Yang L, Zhang H, Luo Q. Efficacy and safety of interferon on neonates with respiratory syncytial virus pneumonia. Exp Ther Med 2020; 20:220. [PMID: 33193835 PMCID: PMC7646691 DOI: 10.3892/etm.2020.9350] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2019] [Accepted: 09/08/2020] [Indexed: 12/14/2022] Open
Abstract
Respiratory syncytial virus (RSV) pneumonia is a leading cause of hospitalization and mortality among neonates worldwide, and there are currently no specific clinical treatments for RSV infection. Interferons (IFNs) possess broad-spectrum antiviral properties, and the present study aimed to evaluate the efficacy and safety of IFN-α1b for the treatment of neonatal RSV pneumonia. Neonates with RSV pneumonia were divided into the treatment (126 neonates) and control (160 neonates) groups, the former of which were treated with IFN. Aside from IFN administration, both groups received the same routine treatments. There were no significant differences in patient characteristics between the two groups. All neonates in the two groups displayed symptoms such as a cough (93.0%), tachypnea (90.1%), perilabial cyanosis (67.8%), choking on milk (62.9%) and moist rales (58.4%), and no significant differences in the occurrence of these symptoms were observed between the groups (P>0.05). The percentage of cases with bacterial co-infection was 66.8% (191/286), and the bacterial species in the spectrum primarily included Escherichia coli (21.5%), Klebsiella pneumonia (20.4%), Staphylococcus aureus (17.2%), Acihetobacter baumanii (13.1%) and Pseudomonas aeruginosa (9.9%). There were no significant differences in the co-infection rate or bacterial spectrum between the two groups. The remission time of cough, tachypnea, choking on milk, perilabial cyanosis, moist rales and oxygen inhalation in the treatment group was significantly lower compared with the control group (P<0.05). Although the hospitalization time in the treatment group was shorter compared with the control group, the difference was not significant. There were two patients in the treatment group that developed fever within 2-6 h after receiving IFN-α1b, though no other adverse effects were observed. In conclusion, IFN-α1b treatment improved the symptoms associated with neonatal RSV pneumonia with minimal adverse effects.
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Affiliation(s)
- Lingyun He
- Scientific Research and Education Section, Chongqing Health Center for Women and Children, Chongqing 401120, P.R. China.,Neonatal Department, Children's Hospital of Chongqing Medical University, Chongqing 400010, P.R. China
| | - Lu Yang
- Department of Breast and Thyriod Surgery, Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, P.R. China
| | - Hua Zhang
- Scientific Research and Education Section, Chongqing Health Center for Women and Children, Chongqing 401120, P.R. China
| | - Qian Luo
- Scientific Research and Education Section, Chongqing Health Center for Women and Children, Chongqing 401120, P.R. China
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Wenfang G, Yi L, Wang P, Wang B, Li M. Assessing the effects of meteorological factors on daily children's respiratory disease hospitalizations: A retrospective study. Heliyon 2020; 6:e04657. [PMID: 32817894 PMCID: PMC7424195 DOI: 10.1016/j.heliyon.2020.e04657] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 07/09/2020] [Accepted: 08/04/2020] [Indexed: 01/27/2023] Open
Abstract
Respiratory disease symptoms in children are aggravated by frequent changes in meteorological conditions. The net effective temperature (NET) integrates temperature, relative humidity, and wind speed as a cooling indicator. This study aims to assess the effect of daily changes in meteorological factors and corresponding NET data on children's hospitalizations for different ages, genders and subtypes of respiratory infections in Baotou, China. Distributed lag non-linear models were constructed to simultaneously assess the exposure–response associations between daily admission counts of children with respiratory diseases and daily NET and other meteorological factors, as well as their lag dependencies. As air pollution significantly affects the respiratory tract, it was considered as confounding factor. In general, the cumulative meteorological factors had greater effects on lower respiratory tract infections than upper respiratory tract infections (RR: temperature [5.21 vs. 2.33], wind speed [4.89 vs. 3.12], and humidity [1.77 vs. 0.97]). The effects of cumulative meteorological factors on female children were greater than those on male children (RR: temperature [2.14 vs. 1.82], wind speed [5.46 vs. 1.90], and humidity [1.60 vs. 1.55]). Temperature and wind speed showed an influence on 4–7-year-old children, but these factors had no influence on other age groups; humidity only showed an influence on the 0–3-year-old group. The NET value had a large effect on lower respiratory infections, in the 4–7-year-old group and female children. In conclusion, a complex non-linear relationship exists between climate variability and children's respiratory diseases. The results of the study can be used to support the development of important meteorological information tools for early warnings of respiratory disease events in children. Concurrently, the NET values can be used for comprehensive assessments of climate change in the future, which will help the government and health authorities better minimize the impacts of children's respiratory diseases.
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Affiliation(s)
- Guo Wenfang
- Inner Mongolia Autonomous Region Academy of Traditional Medicine, Hohhot 010020, China.,Inner Mongolia Hospital of Traditional Chinese Medicine, Hohhot 010020, China
| | - Letai Yi
- Inner Mongolia Autonomous Region Academy of Traditional Medicine, Hohhot 010020, China.,Inner Mongolia Hospital of Traditional Chinese Medicine, Hohhot 010020, China
| | - Peng Wang
- The First Affiliated Hospital of Baotou Medical College, Baotou 014000, China
| | - Baojun Wang
- Inner Mongolia Baotou City Central Hospital, Baotou 014040, China
| | - Minhui Li
- Inner Mongolia Autonomous Region Academy of Traditional Medicine, Hohhot 010020, China.,Inner Mongolia Hospital of Traditional Chinese Medicine, Hohhot 010020, China.,Baotou Medical College, Baotou 014060, China
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