OBJECTIVE:

To analyze the clinical and epidemiological profile of acute Chagas disease in the municipalities of Belém, Abaetetuba, and Breves, Pará State, Brazil, from 2007 to 2015.

MATERIALS AND METHODS:

A total of 696 cases were analyzed, using data from the Information on Notifiable Diseases, and statistical tests were applied using the BioEstat software.

RESULTS:

Of the 696 investigated, 35.63% were from Abaetetuba, 40.66% from Belém and 23.71% from Breves. The most prevalent age group was 30-59 years, being 35.89% in Abaetetuba and 53.71% in Belém; in contrast, in Breves, 32.73% were between 0 and 14 years old. Affected men represented 51.61% in Abaetetuba, 49.47% in Belém, and 56.36% in Breves. The urban area registered 56.45% of the cases in Abaetetuba and 96.11% in Belém; and in the rural area of Breves 66.06% of cases. The mortality rate was 1.49%. The oral transmission (82.33%) was predominant. Fever and asthenia were present in over 75% of records. The epidemic curve of seasonality was higher between July and November, and the incidence was more expressive in Breves, with two epidemic waves: one in 2009 (27.98/100,000 inhabitants) and another in 2015 (63.38/100,000 inhabitants).

CONCLUSION:

The epidemiological relevance of acute Chagas disease and its importance for public health are justified by the epidemic potential of the parasite, which requires the organization of health services, activities for the prevention and control of the disease.

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