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Revista da Sociedade Brasileira de Medicina Tropical

versão impressa ISSN 0037-8682

Resumo

GONCALVES NETO, Vicente Silva et al. An analysis of the spatiotemporal distribution of American cutaneous leishmaniasis in counties located along road and railway corridors in the State of Maranhão, Brazil. Rev. Soc. Bras. Med. Trop. [online]. 2013, vol.46, n.3, pp.322-328. ISSN 0037-8682.  http://dx.doi.org/10.1590/0037-8682-0056-2012.

Introduction

The incidence of American cutaneous leishmaniasis (ACL) is increasing in Latin America, especially in Brazil, where 256,587 cases were confirmed in the last decade.

Methods

This study used a Bayesian model to examine the spatial and temporal distribution of ACL cases between 2000 and 2009 in 61 counties of State of Maranhão located along the three main road and railway corridors.

Results

During the study period, 13,818 cases of ACL were recorded. There was a significant decrease in the incidence of ACL in the ten study years. The recorded incidence rate ranged from 7.36 to 241.45 per 100,000 inhabitants. The relative risk increased in 77% of the counties, decreased in 18% and was maintained in only five counties.

Conclusions

Although there was a decreased incidence of the disease, ACL was present in all of the examined municipalities, thus maintaining the risk of contracting this illness.

Palavras-chave : American cutaneous leishmaniasis; Bayesian model; Spatio temporal distribution; Relative risk.

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