The article aims to analyze the oral transmission of Acute Chagas Disease in the state of Pará
Brazil. This is a retrospective, quantitative and analytical study, which evaluated the cases
notified during the years 2007 and 2019 in the state of Pará. Data referring to the municipality
of residence, sex, race/color, age group, place of residence were considered. infection, zone of
infection, month and year of the first symptom of Chagas disease. A total of 1898 cases were
reported during the period analyzed, with an average of 146.00±84.61 notifications per year.
The Intermediate Geographic Region of Belém concentrated the largest number of cases
(59.69%), but it was the region of Breves that had the highest incidence rate (118 cases/100
thousand inhabitants). The sociodemographic profile was characterized by individuals of mixed
race/color, between 20 and 59 years old, infected in their place of residence, but there was no
statistically significant difference (p value < 0.05) between males and females, nor between the
areas of urban and rural residence. The seasonality of Chagas disease showed that the months
from July to December concentrated the majority of cases (76.24%), however, there was a
statistically significant difference (p value <0.05) only in the number of incident cases between
the months of August to November. Finally, it was estimated that if the occurrence of cases
maintains this pattern in the coming years, in 2030 there will be approximately 500.40
cases/year. The findings in this study were essential and can be used as tools for the
development of new actions and public policies for the prevention of the disease in the state in
an effective, timely and targeted manner.
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