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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Revisiting typhoid fever surveillance in low and middle income countries: Lessons from systematic literature review of population-based longitudinal studies
BMC Infectious Diseases, Volume 16, No. 1, Article 35, Year 2016
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Description
Background: The control of typhoid fever being an important public health concern in low and middle income countries, improving typhoid surveillance will help in planning and implementing typhoid control activities such as deployment of new generation Vi conjugate typhoid vaccines. Methods: We conducted a systematic literature review of longitudinal population-based blood culture-confirmed typhoid fever studies from low and middle income countries published from 1st January 1990 to 31st December 2013. We quantitatively summarized typhoid fever incidence rates and qualitatively reviewed study methodology that could have influenced rate estimates. We used meta-analysis approach based on random effects model in summarizing the hospitalization rates. Results: Twenty-two papers presented longitudinal population-based and blood culture-confirmed typhoid fever incidence estimates from 20 distinct sites in low and middle income countries. The reported incidence and hospitalizations rates were heterogeneous as well as the study methodology across the sites. We elucidated how the incidence rates were underestimated in published studies. We summarized six categories of under-estimation biases observed in these studies and presented potential solutions. Conclusions: Published longitudinal typhoid fever studies in low and middle income countries are geographically clustered and the methodology employed has a potential for underestimation. Future studies should account for these limitations. © 2016 Mogasale et al.
Available Materials
https://efashare.b-cdn.net/share/pmc/articles/PMC4731936/bin/12879_2016_1351_MOESM1_ESM.doc
Authors & Co-Authors
Mogasale, Vittal
South Korea, Seoul
Seoul National University
Ramani, Enusa
South Korea, Seoul
Seoul National University
Lee, Jungseok
South Korea, Seoul
Seoul National University
Park, Juyeon
South Korea, Seoul
International Vaccine Institute, Seoul
Lee, Kangsung
South Korea, Seoul
International Vaccine Institute, Seoul
Wierzba, Thomas F.
South Korea, Seoul
International Vaccine Institute, Seoul
United States, Seattle
Path
Statistics
Citations: 38
Authors: 6
Affiliations: 3
Identifiers
Doi:
10.1186/s12879-016-1351-3
ISSN:
14712334
Research Areas
Infectious Diseases
Study Design
Cross Sectional Study
Cohort Study
Study Approach
Systematic review