ArticleInternational journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases2024
Trends of measles in Tanzania: A 5-year review of case-based surveillance data, 2018-2022.
Article in International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 9 citations in OpenAlex.
- Measles in Ugandan Children Under 18 Months of Age: A Retrospective Study of Case-based Surveillance, 2018-2024.Open forum infectious diseases · 2026Article
- Age-stratified epidemiological and clinical predictors of laboratory-confirmed measles among suspected cases in Diyarbakır, Türkiye (2012-2024): a test-negative case-control study.BMC infectious diseases · 2026Article
- Measles Without Rash During Acute Febrile Illness Surveillance in Tanzania, 2023-2024.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2026Article
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- Factors associated with laboratory-confirmed measles cases during the 2023 and 2024 outbreaks in Tanzania-a mixed-methods study.Frontiers in public health · 2026Article
- Epidemiology: Temporal and spatial patterns of measles in Amhara Region, Ethiopia, 2019-2024: implications for targeted intervention.BMC infectious diseases · 2025Article
- Post-COVID-19 era sero-surveillance of anti-measles IgM and IgG antibodies among asymptomatic Tanzanian children aged 3 to 15 years Journal.Immunologic research · 2025Article
- Using Measles Outbreaks to Identify Under-Resourced Health Systems in Low- and Middle-Income Countries: A Predictive Model.Vaccines · 2025Article
- Childhood vaccination trends during 2019 to 2022 in Tanzania and the impact of the COVID-19 pandemic.Human vaccines & immunotherapeutics · 2024Article
- Knowledge, Attitude, and Practice Towards Child Immunisation Among Mothers Attending Magu District Hospital, Mwanza.The East African health research journal · 2024Article
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Authors and funding
31 authors at 13 institutions in 4 countries.
Funding
Abstract
objectivesTanzania observed a gradual increase in the number of measles cases since 2019 with a large outbreak recorded during 2022. This study describes the trend of measles in Tanzania over a 5-year period from 2018-2022.
methodsThis was a descriptive study conducted using routine measles case-based surveillance system including 195 councils of the United Republic of Tanzania.
resultsBetween 2018 and 2022 there were 12,253 measles cases reported. Out of 10,691 (87.25%) samples tested by enzyme-linked immunosorbent assay, 903 (8.4%) were measles immunoglobulin M positive. The highest number of laboratory-confirmed measles cases was in 2022 (64.8%), followed by 2020 (13.8%), and 2019 (13.5%). Out of 1279 unvaccinated cases, 213 (16.7%) were laboratory-confirmed measles cases compared to 77/723 (10.6%) who were partially vaccinated and 71/1121 (6.3%) who were fully vaccinated (P < 0.001). Children aged between 1-4 years constituted the most confirmed measles cases after laboratory testing, followed by those aged 5-9 years. There was a notable increase in the number of laboratory-confirmed measles cases in children <1 year and 10-14 years during 2022 compared to previous years. The vaccination coverage of the first dose of measles-containing vaccine (MCV1) was maintained >90% since 2013 while MCV2 increased gradually reaching 88% in 2022.
conclusionsAccumulation of susceptible children to measles due to suboptimal measles vaccination coverage over the years has resulted in an increase in the number of laboratory-confirmed measles cases in Tanzania with more cases recorded during the COVID-19 pandemic. Strengthening surveillance, routine immunization, and targeted strategies are key to achieving the immunity levels required to interrupt measles outbreaks.
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