Tuberculosis case notifications in Malawi have strong seasonal and weather-related trends.

ABSTRACT: Seasonal trends in tuberculosis (TB) notifications have been observed in several countries but are poorly understood. Explanatory factors may include weather, indoor crowding, seasonal respiratory infections and migration. Using enhanced citywide TB surveillance data collected over nine years in Blantyre, Malawi, we set out to investigate how weather and seasonality affect temporal trends in TB case notification rates (CNRs) across different demographic groups. We used data from prospective enhanced surveillance between April 2011 and December 2018, which systematically collected age, HIV status, sex and case notification dates for all registering TB cases in Blantyre. We retrieved temperature and rainfall data from the Global Surface Summary of the Day weather station database. We calcula

SUBMITTER: Kirolos A 

PROVIDER: S-EPMC7907065 | biostudies-literature | 2021 Feb

REPOSITORIES: biostudies-literature