Prevalence and drivers of malaria infection among asymptomatic and symptomatic community members in five regions with varying transmission intensity in mainland Tanzania

Despite implementation of effective interventions in the past two decades, malaria is still a major public health problem in Tanzania. This study assessed the prevalence and drivers of malaria infections among symptomatic and asymptomatic members of selected communities from five regions with varyin...

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Bibliographic Details
Published in:Parasites & vectors 2025-01, Vol.18 (1), p.24-18
Main Authors: Chacha, Gervas A, Francis, Filbert, Mandai, Salehe S, Seth, Misago D, Madebe, Rashid A, Challe, Daniel P, Petro, Daniel A, Pereus, Dativa, Moshi, Ramadhani, Budodo, Rule, Kisambale, Angelina J, Mbwambo, Ruth B, Bakari, Catherine, Aaron, Sijenunu, Mbwambo, Daniel, Kajange, Stella, Lazaro, Samuel, Kapologwe, Ntuli, Mandara, Celine I, Ishengoma, Deus S
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Anopheles
Asymptomatic infections
Asymptomatic Infections - epidemiology
Carrier state (Communicable diseases)
Child
Child, Preschool
Cross-Sectional Studies
Disease transmission
Drivers of malaria infections
Elementary school students
Female
Health aspects
Humans
Infant
Infection
Malaria
Malaria - epidemiology
Malaria - transmission
Male
Middle Aged
Plasmodium falciparum
Prevalence
Prevalence studies (Epidemiology)
Pyrimethamine
Risk Factors
Statistics
Surveys
Symptomatic infections
Tanzania
Tanzania - epidemiology
Young Adult
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Summary:Despite implementation of effective interventions in the past two decades, malaria is still a major public health problem in Tanzania. This study assessed the prevalence and drivers of malaria infections among symptomatic and asymptomatic members of selected communities from five regions with varying endemicity in mainland Tanzania. A cross-sectional community survey was conducted in five districts, including one district/region in Kagera, Kigoma, Njombe, Ruvuma and Tanga from July to August 2023. Participants aged ≥ 6 months were recruited and tested using rapid diagnostic tests (RDTs). Demographic, anthropometric, clinical, parasitological, type of house, and socio-economic status (SES) data were captured using structured questionnaires. Associations between parasite prevalence and potential drivers were determined by logistic regression, and the results were presented as crude (cOR) and adjusted odds ratios (aOR), with 95% confidence intervals (CIs). Among 10,228 individuals tested, 3515 (34.4%) had positive results by RDTs. The prevalence of malaria varied from 21.6% in Tanga to 44.4% in Kagera, and from 14.4% to 68.5% among the different villages (P 
ISSN:1756-3305
1756-3305
DOI:10.1186/s13071-024-06639-1