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Investigation of two outbreaks of suspected oral transmission of acute Chagas disease in the Amazon region, Pará State, Brazil, in 2007

2009; SAGE Publishing; Volume: 39; Issue: 4 Linguagem: Inglês

10.1258/td.2009.090035

1758-1133

Henrique de Barros Moreira Beltrão, Matheus de Paula Cerroni, Daniel Roberto Coradi de Freitas, Ana Yecê das Neves Pinto, Vera da Costa Valente, Sebastião Aldo da Silva Valente, Elenild de Góes Costa, Jeremy Sobel,

Parasites and Host Interactions

Acute Chagas disease (ACD) is caused by Trypanosoma cruzi. ACD outbreaks due to probable oral transmission occur regularly in small family gatherings that are exposed to contaminated foods. We studied two cohorts of residents on islands in the Breves and Bagre municipalities, in July and August 2007, to identify risk factors of transmission and to recommend preventative measures. Of the 25 cases identified in both cohorts, 13 (52%) were men, and the most frequent symptoms were fever (96%),asthenia (80%), myalgia (76%), abdominal pain (64%), retro-orbital pain, headaches and asthma (52%). We recommend detailed investigation of future outbreaks and other studies to better understand and control oral transmission of T. cruzi.