Epidemiological and entomological analysis of imported malaria in Pemba Island, Zanzibar: a study from 2020-2022.

ABSTRACT:

Background

Since 2008, Zanzibar has significantly reduced the prevalence of malaria, keeping it at 1%. However, imported malaria particularly from mainland Tanzania continues to pose a major threat to sustaining these gains, especially on Pemba Island where 67.8% of cases in 2021 were classified as imported. This study analysed malaria cases reported from 2020 to 2022, focusing on epidemiological and spatial trends of imported infections to inform more effective surveillance and response.

Methods

Retrospective analysis of malaria surveillance data from 2020 to 2022 was conducted to characterize the epidemiological parameters focusing on spatial and temporal patterns of imported malaria cases and their origin. Entomological data obtained from routine surveillance at four sent

SUBMITTER: Ali AO 

PROVIDER: S-EPMC12781608 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature