High Proportion of School Aged Children Susceptible to Mumps Virus Infections in the City of Mwanza, Tanzania: Should It be Included in the National Immunization Programme?

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Ruth B. Rakiru
Delfina R. Msanga
Rose Laisser
Doreen Kamori
Mtebe Majigo
Stephen E. Mshana
Mariam M. Mirambo
Dina Mahamba


Aim: This study for the first time in Mwanza, Tanzania aimed at determining seropositivity of mumps virus in school aged children who are targeted for vaccination.

Study Design: Cross-sectional study.

Place and Duration of the Study: This study was conducted in the city of Mwanza from July to September 2018.

Despite being common with reported associated complications in many resource limited countries, there is scarcity of information on its epidemiology in Tanzania.

Methodology: We enrolled 440 school children aged 6-12 years. Data was collected using a pre-tested structured data collection tool. Blood samples were collected, and sera were used for detection of mumps virus antibodies by indirect enzyme linked immunosorbent assay (ELISA). Data was analyzed using STATA version 13, 2013.

Results: The median age of enrolled children was 9(IQR: 8-11) years. The seropositivity of mumps IgG antibodies was found to be 94(21.4%, 95% CI: 17.5-25.1) while that of IgM was 1 (0.23%, 95% CI: 0.02-0.6). By multivariable logistic regression analysis, residing in rural areas (OR: 2.28, 95% 1.42-3.36, P=0.001) and age >10 years (OR: 1.67, 95% CI: 1.03-2.7, P=0.036) independently predicted mumps IgG seropositivity.

Conclusion: A significant proportion of young children in urban areas of the city of Mwanza are susceptible to mumps virus infection indicating the need to generate more data across the country so as to institute appropriate control measures including measles, mumps and rubella (MMR) vaccination programme.

Mumps virus, seropositivity, Mwanza, vaccination, Tanzania.

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How to Cite
Rakiru, R. B., Msanga, D. R., Laisser, R., Kamori, D., Majigo, M., Mshana, S. E., Mirambo, M. M., & Mahamba, D. (2020). High Proportion of School Aged Children Susceptible to Mumps Virus Infections in the City of Mwanza, Tanzania: Should It be Included in the National Immunization Programme?. International Journal of TROPICAL DISEASE & Health, 41(15), 46-55. https://doi.org/10.9734/ijtdh/2020/v41i1530357
Original Research Article


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