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Spatio-temporal analysis of American Tegumentary Leishmaniasis incidences in the Brazilian state of Amazonas: 2011 to 2022

2024; Elsevier BV; Volume: 256; Linguagem: Inglês

10.1016/j.actatropica.2024.107266

1873-6254

Érica Cristina da Silva Chagas, F.A. Ferreira, Victor Irungu Mwangi, Wagner Cosme Morhy Terrazas, Jaidson Nandi Becker, Rejane de Castro Simões, Emily Marcele Soares Silva Pacífico, Arinéia Soares da Silva, Cintia da Silva Marques, Eda Cristina da Silva Chagas, Myrna Barata Machado, Élder Augusto Guimarães Figueira, Daniel Barros de Castro, Tatyana Costa Amorim Ramos, Júlio Henrique de Oliveira,

Research on Leishmaniasis Studies

This study aimed to conduct a spatio-temporal analysis of tegumentary leishmaniasis occurrences in the Amazonas state, Brazil. An ecological study encompassing time series and spatial analysis was performed, exploring the geographic distribution and temporal trends of American Tegumentary Leishmaniasis (ATL) in Amazonas between 2011 and 2022. Secondary data extracted from the Department of Informatics of the Unified Health System (DATASUS) were utilized for this analysis. The study evaluated the relationship between disease cases and environmental/climatic variables (deforestation, temperature, precipitation, and relative humidity). Over the study period, 19,730 cases of tegumentary leishmaniasis were recorded, averaging an incidence of 41.4/100,000 inhabitants across the 62 municipalities of Amazonas state. Disease intensity varied with seasons. Generally, Amazonas state displayed a declining trend in ATL cases. However, certain municipalities, notably Rio Preto da Eva and Presidente Figueiredo, exhibited high incidence rates, while Canutama, Envira, Eirunepé, and Pauini municipalities demand closer attention due to their demonstrated increasing temporal trend of ATL cases. The analysis indicated a correlation between the number of ATL cases reported and relative humidity as well as precipitation. These findings underscore the significance of tegumentary leishmaniasis as a public health issue in the region and emphasize the necessity for public initiatives aimed at preventing this endemic illness.