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Short Communication • Rev. Soc. Bras. Med. Trop. 54 • 2021 • https://doi.org/10.1590/0037-8682-0339-2021   copy

Seropositivity for Chagas disease in blood donors from the state of Alagoas, Northeastern Brazil: an 11-year time series study

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

INTRODUCTION

Chagas disease can be transmitted by blood transfusion. Herein, we assessed the seropositivity for Chagas disease in blood donors from Alagoas, during 2010-2020.

METHODS

Data were requested from the Alagoas blood center. Time trend analysis was performed using a joinpoint regression model.

RESULTS

Seropositivity rate during the study period was 0.35%, which decreased from 2014 to 2020, (annual percentage change, APC = -29.38; p-value <0.05), while the total number of tests performed remained stable (APC = 6.5).

CONCLUSIONS

Despite the drop in the seropositivity for Chagas infection in donors, it is imperative to maintain the screening of donors for the epidemiological control.

Keywords:
Chagas disease; Blood donors; Transfusional transmission disease

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