Clinical, epidemiological and climatic factors related to the occurrence of cutaneous leishmaniasis in an endemic area in northeastern Brazil

Author:

Oliveira R. S.1ORCID,Pimentel K. B. A.2ORCID,Moura M. L.1ORCID,Aragão C. F.3ORCID,Guimarães-e-Silva A. S.1ORCID,Bezerra J. M. T.1ORCID,Melo M. N.4ORCID,Pinheiro V. C. S.1ORCID

Affiliation:

1. Universidade Estadual do Maranhão, Brasil

2. Universidade Federal do Maranhão, Brasil

3. Instituto Evandro Chagas, Brasil

4. Universidade Federal de Minas Gerais, Brasil

Abstract

Abstract Cutaneous leishmaniasis (CL) is a neglected tropical disease with a wide distribution in the Americas. Brazil is an endemic country and present cases in all states. This study aimed to describe the occurrence, the underlying clinical and epidemiological factors, and the correlation of climatic variables with the frequency of reported CL cases in the municipality of Caxias, state of Maranhão, Brazil. This is a retrospective and descriptive epidemiological study based on data extracted from the Brazilian Information System of Diseases Notification, from 2007 to 2017. Maximum and minimum temperature, precipitation, and relative air humidity data were provided by the Brazilian National Institute of Meteorology. A total of 201 reported autochthonous CL cases were analyzed. The predominance of cases was observed in males (70.1%). The age range between 31 and 60 years old was the most affected, with 96 cases (47.9%). Of the total number of registered cases, 38.8% of the affected individuals were engaged in agriculture-related activities. The georeferenced distribution revealed the heterogeneity of disease occurrence, with cases concentrated in the Western and Southern regions of the municipality. An association was detected between relative air humidity (monthly mean) and the number of CL cases per month (p = 0.04). CL continues to be a concerning public health issue in Caxias. In this context, there is a pressing need to strengthen measures of prevention and control of the disease through the network of health services of the municipality, considering local and regional particularities.

Publisher

FapUNIFESP (SciELO)

Subject

General Agricultural and Biological Sciences

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