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Ozawa S, Laing SK, Higgins CR, Yemeke TT, Park CC, Carlson R, Ko YE, Guterman LB, Omer SB. Educational and economic returns to cognitive ability in low- and middle-income countries: A systematic review. World Dev 2022; 149:105668. [PMID: 34980939 PMCID: PMC8573607 DOI: 10.1016/j.worlddev.2021.105668] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 08/13/2021] [Indexed: 06/14/2023]
Abstract
There is growing interest to use early cognitive ability to predict schooling and employment outcomes in low- and middle-income countries (LMICs). Rather than using educational attainment and school enrollment as predictors of future economic growth or of improving an individual's earning potential, mounting evidence suggests that cognitive ability may be a better predictor. The relationship between cognitive ability, education, and employment are essential to predict future development in LMICs. We performed a systematic literature review and meta-analysis of the evidence regarding the relationship between cognitive ability and educational outcomes, and between cognitive ability and economic outcomes across LMICs. We searched peer-reviewed studies since 2000 that quantitatively measured these relationships. Based on an initial search of 3,766 records, we identified 14 studies, including 8 studies that examined the cognition-education link and 8 studies that assessed cognition-employment returns in LMICs. Identified studies showed that higher cognitive ability increased the probability of school enrollment, academic achievement, and educational attainment across LMICs. A meta-analysis of returns to wages from cognitive ability suggested that a standard deviation increase in cognitive test scores was associated with a 4.5% (95% CI 2.6%-9.6%) increase in wages. Investments into early cognitive development could play a critical role in improving educational and economic outcomes in LMICs. Further research should focus particularly in low-income countries with the least evidence, and examine the impact on education and economic outcomes by cognitive domains to provide more robust evidence for policy makers to take action.
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Affiliation(s)
- Sachiko Ozawa
- Division of Practice Advancement and Clinical Education, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, USA
- Department of Maternal and Child Health, UNC Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, USA
| | - Sarah K. Laing
- Duke Global Health Institute, Duke University, Durham, NC, USA
| | - Colleen R. Higgins
- Division of Practice Advancement and Clinical Education, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, USA
| | - Tatenda T. Yemeke
- Division of Practice Advancement and Clinical Education, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, USA
| | - Christine C. Park
- Division of Practice Advancement and Clinical Education, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, USA
| | - Rebecca Carlson
- Health Sciences Library, University of North Carolina, Chapel Hill, NC, USA
| | - Young Eun Ko
- Division of Practice Advancement and Clinical Education, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, USA
| | - L. Beryl Guterman
- Hubert Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Saad B. Omer
- Yale Institute of Global Health, Yale University, New Haven, CT, USA
- Department of Internal Medicine (Infectious Diseases), Yale School of Medicine, Yale University, New Haven, CT, USA
- Department of Epidemiology of Microbial Diseases, Yale School of Public Health, Yale University, New Haven, CT, USA
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Gaston JR, Andersen MJ, Johnson AO, Bair KL, Sullivan CM, Guterman LB, White AN, Brauer AL, Learman BS, Flores-Mireles AL, Armbruster CE. Enterococcus faecalis Polymicrobial Interactions Facilitate Biofilm Formation, Antibiotic Recalcitrance, and Persistent Colonization of the Catheterized Urinary Tract. Pathogens 2020; 9:E835. [PMID: 33066191 PMCID: PMC7602121 DOI: 10.3390/pathogens9100835] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/10/2020] [Accepted: 10/12/2020] [Indexed: 12/26/2022] Open
Abstract
Indwelling urinary catheters are common in health care settings and can lead to catheter-associated urinary tract infection (CAUTI). Long-term catheterization causes polymicrobial colonization of the catheter and urine, for which the clinical significance is poorly understood. Through prospective assessment of catheter urine colonization, we identified Enterococcus faecalis and Proteus mirabilis as the most prevalent and persistent co-colonizers. Clinical isolates of both species successfully co-colonized in a murine model of CAUTI, and they were observed to co-localize on catheter biofilms during infection. We further demonstrate that P. mirabilis preferentially adheres to E. faecalis during biofilm formation, and that contact-dependent interactions between E. faecalis and P. mirabilis facilitate establishment of a robust biofilm architecture that enhances antimicrobial resistance for both species. E. faecalis may therefore act as a pioneer species on urinary catheters, establishing an ideal surface for persistent colonization by more traditional pathogens such as P. mirabilis.
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Affiliation(s)
- Jordan R. Gaston
- Department of Medicine, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, NY 14203, USA; (J.R.G.); (C.M.S.); (L.B.G.)
| | - Marissa J. Andersen
- Department of Biological Sciences, College of Science, Notre Dame University, IN 15701, USA;
| | - Alexandra O. Johnson
- Department of Microbiology and Immunology, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, NY 14203, USA; (A.O.J.); (K.L.B.); (A.N.W.); (A.L.B.); (B.S.L.)
| | - Kirsten L. Bair
- Department of Microbiology and Immunology, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, NY 14203, USA; (A.O.J.); (K.L.B.); (A.N.W.); (A.L.B.); (B.S.L.)
| | - Christopher M. Sullivan
- Department of Medicine, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, NY 14203, USA; (J.R.G.); (C.M.S.); (L.B.G.)
| | - L. Beryl Guterman
- Department of Medicine, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, NY 14203, USA; (J.R.G.); (C.M.S.); (L.B.G.)
| | - Ashely N. White
- Department of Microbiology and Immunology, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, NY 14203, USA; (A.O.J.); (K.L.B.); (A.N.W.); (A.L.B.); (B.S.L.)
| | - Aimee L. Brauer
- Department of Microbiology and Immunology, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, NY 14203, USA; (A.O.J.); (K.L.B.); (A.N.W.); (A.L.B.); (B.S.L.)
| | - Brian S. Learman
- Department of Microbiology and Immunology, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, NY 14203, USA; (A.O.J.); (K.L.B.); (A.N.W.); (A.L.B.); (B.S.L.)
| | - Ana L. Flores-Mireles
- Department of Biological Sciences, College of Science, Notre Dame University, IN 15701, USA;
| | - Chelsie E. Armbruster
- Department of Microbiology and Immunology, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, NY 14203, USA; (A.O.J.); (K.L.B.); (A.N.W.); (A.L.B.); (B.S.L.)
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Mina MJ, Guterman LB, Allen KE, Omer SB. Comprehensive Profiling of Zika Virus Risk with Natural and Artificial Mitigating Strategies, United States. Emerg Infect Dis 2020; 26:700-710. [PMID: 32043959 PMCID: PMC7101119 DOI: 10.3201/eid2604.181739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Zika virus is transitioning to become a long-term public health challenge, and countries should remain informed of the risk for emergence. We developed a stochastic epidemiologic model to profile risk for Zika virus emergence, including trimester-specific fetal risk across time, in all 3,208 counties in the United States, including Puerto Rico. Validation against known transmission in North America demonstrated accuracy to predict epidemic dynamics and absolute case counts across scales (R2 = 0.98). We found that, although sporadic single transmission events could occur in most US counties, outbreaks will likely be restricted to the Gulf Coast region and to late spring through autumn. Seasonal fluctuations in birth rates will confer natural population-level protection against early-trimester infections. Overall, outbreak control will be more effective and efficient than prevention, and vaccination will be most effective at >70% coverage. Our county-level risk profiles should serve as a critical resource for resource allocation.
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Affiliation(s)
- Maria E Sundaram
- Hubert Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, Georgia
| | - L Beryl Guterman
- Hubert Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, Georgia
| | - Saad B Omer
- Hubert Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, Georgia
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia
- Department of Pediatrics, School of Medicine, Emory University, Atlanta, Georgia
- Emory Vaccine Center, School of Medicine, Emory University, Atlanta, Georgia
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Ibrahim R, Ali SA, Kazi AM, Rizvi A, Guterman LB, Bednarczyk RA, Kim E, Park S, Paulos S, Jeyachandran A, Patel D, Gorantla Y, Wong E, Rajam G, Schiffer J, Omer SB. Impact of maternally derived pertussis antibody titers on infant whole-cell pertussis vaccine response in a low income setting. Vaccine 2018; 36:7048-7053. [PMID: 30297122 PMCID: PMC6219892 DOI: 10.1016/j.vaccine.2018.09.045] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 09/20/2018] [Accepted: 09/21/2018] [Indexed: 10/28/2022]
Abstract
BACKGROUND Maternal vaccines against pertussis are not yet recommended in the developing world. Besides unclear burden estimates, another concern is that transplacental transfer of maternal pertussis antibodies could result in attenuation of the immune response to whole cell pertussis (DTwP) primary vaccination series in infants. This study was taken up to determine whether higher levels of maternal pertussis antibodies attenuate immune response of infants to DTwP vaccination series given at 6-10-14 weeks of age. METHODOLOGY A total of 261 pregnant women and their infants from four low-income settlements in Karachi, Pakistan were enrolled in this study. The study endpoints were infant antibody titers for Pertussis toxin (PTx), Filamentous hemagglutinin antigen (FHA), Pertactin (PRN) and Fimbriae type 2/3 (FIM) - from birth through 18 weeks of age. Cord blood or pre-vaccine pertussis antibody titers indicate the concentration of maternal antibodies transferred to infants. Linear regression models were used to determine the association between higher maternal antibody titers and infant immune response to DTwP vaccine. Geometric Mean Ratio (GMR) was calculated as the ratio of infant antibody titers at specified time points against the maternal antibody titers at the time of delivery. RESULTS At eighteen weeks of age, the adjusted β regression coefficient for PTx was 0.06 (95% CI: -0.49-0.61), FHA 0.02 (95% CI: -0.26 -0.29), PRN 0.02 (95%CI -0.38- 0.43), and FIM 0.17 (95%CI: -0.21-0.54). Among infants who received at least two doses of DTwP vaccine, higher maternal antibody titers did not have any attenuating effect on infant post-immunization antibody titers against all four pertussis antigens. CONCLUSION Maternal pertussis antibodies did not attenuate infant's immune response to pertussis antigens in DTwP primary vaccine given at 6-10-14 weeks of age.
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Affiliation(s)
- Romesa Ibrahim
- Department of Paediatrics and Child Health, Aga Khan University, Karachi, Pakistan
| | - S Asad Ali
- Department of Paediatrics and Child Health, Aga Khan University, Karachi, Pakistan.
| | - A Momin Kazi
- Department of Paediatrics and Child Health, Aga Khan University, Karachi, Pakistan
| | - Arjumand Rizvi
- Department of Paediatrics and Child Health, Aga Khan University, Karachi, Pakistan
| | | | - Robert A Bednarczyk
- Department of Global Health, Emory University, Atlanta, Georgia; Department of Epidemiology, Emory University, Atlanta, Georgia; Department of Emory Vaccine Center, Emory University, Atlanta, Georgia
| | - Ellie Kim
- MPIR Laboratory, Division of Bacterial Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - SoHee Park
- MPIR Laboratory, Division of Bacterial Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Simon Paulos
- MPIR Laboratory, Division of Bacterial Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Amilia Jeyachandran
- MPIR Laboratory, Division of Bacterial Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Divya Patel
- MPIR Laboratory, Division of Bacterial Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Yamini Gorantla
- MPIR Laboratory, Division of Bacterial Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Emily Wong
- MPIR Laboratory, Division of Bacterial Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Gowrisankar Rajam
- MPIR Laboratory, Division of Bacterial Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Jarad Schiffer
- MPIR Laboratory, Division of Bacterial Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Saad B Omer
- Department of Global Health, Emory University, Atlanta, Georgia; Department of Epidemiology, Emory University, Atlanta, Georgia; Department of Pediatrics, Emory University, Atlanta, Georgia; Department of Emory Vaccine Center, Emory University, Atlanta, Georgia
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Omer SB, Allen K, Chang D, Guterman LB, Bednarczyk RA, Jordan A, Buttenheim A, Jones M, Hannan C, deHart MP, Salmon DA. Exemptions From Mandatory Immunization After Legally Mandated Parental Counseling. Pediatrics 2018; 141:peds.2017-2364. [PMID: 29255080 PMCID: PMC7153736 DOI: 10.1542/peds.2017-2364] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/13/2017] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND The success of health care provider counseling-based interventions to address vaccine hesitancy is not clear. In 2011, Washington State implemented Senate Bill 5005 (SB5005), requiring counseling and a signed form from a licensed health care provider to obtain an exemption. Evaluating the impact of a counseling intervention can provide important insight into population-level interventions that focus on interpersonal communication by a health care provider. METHODS We used segmented regression and interaction and aggregation indices to assess the impact of SB5005 on immunization coverage and exemption rates in Washington State from school years 1997-1998 through 2013-2014. RESULTS After SB5005 was implemented, there was a significant relative decrease of 40.2% (95% confidence interval: -43.6% to -36.6%) in exemption rates. This translates to a significant absolute reduction of 2.9 percentage points (95% confidence interval: -4.2% to -1.7%) in exemption rates. There were increases in vaccine coverage for all vaccines required for school entrance, with the exception of the hepatitis B vaccine. The probability that kindergarteners without exemptions would encounter kindergarteners with exemptions (interaction index) decreased, and the probability that kindergarteners with exemptions would encounter other such kindergarteners (aggregation index) also decreased after SB5005. Moreover, SB5005 was associated with a decline in geographic clustering of vaccine exemptors. CONCLUSIONS States in the United States and jurisdictions in other countries should consider adding parental counseling by health care provider as a requirement for obtaining exemptions to vaccination requirements.
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Affiliation(s)
- Saad B. Omer
- Hubert Department of Global Health,,Department of Epidemiology,,Department of Pediatrics, and,Emory Vaccine Center, Emory University, Atlanta, Georgia;,Address correspondence to Saad B. Omer, Departments of Global Health, Epidemiology, Pediatrics, and Emory Vaccine Center, Emory University, 1518 Clifton Rd, Atlanta, GA 30322. E-mail:
| | | | - D.H. Chang
- Department of Tropical Medicine, School of Public Health and Tropical Medicine, Tulane University, New Orleans, Louisiana
| | | | - Robert A. Bednarczyk
- Hubert Department of Global Health,,Department of Epidemiology,,Emory Vaccine Center, Emory University, Atlanta, Georgia
| | | | - Alison Buttenheim
- Department of Family and Community Health, School of Nursing, and,Center for Health Incentives and Behavioral Economics, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Malia Jones
- Applied Population Laboratory, Department of Community and Environmental Sociology, University of Wisconsin-Madison, Madison, Wisconsin
| | - Claire Hannan
- Association for Immunization Managers, Rockville, Maryland
| | - M. Patricia deHart
- Office of Immunization and Child Profile, Washington State Department of Health, Olympia, Washington; and
| | - Daniel A. Salmon
- Department of International Health and Health Behavior Society, School of Public Health, Johns Hopkins University, Baltimore, Maryland
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