Abstract
Introduction: Human fascioliasis is a plant-borne and water-borne infection caused by the trematodes Fasciola hepatica and Fasciola gigantica. It is one of the main neglected tropical diseases, and infections in humans occur via the ingestion of contaminated water and food. This study reviews all the recorded cases of human fascioliasis in Brazil under different climatic conditions in the national territory. Methodology:A survey of human fascioliasis cases in Brazil was carried out using the Google Scholar, Lilacs and PubMed databases. The climatic variables such as temperature, precipitation, moisture and altitude were obtained from the database of the Instituto Nacional de Meteorologia (INMET). Results: Between the years 1958 and 2022, sixty-six cases of human fascioliasis were recorded in places with temperature levels between 22 °C to 33 °C, humidity 78% to 86%, precipitation 90 mm to 167 mm, and at an altitude of 16 to 935 meters above sea level. Conclusion: The parasite’s ability to adapt to different climatic conditions is observed in Brazil and the number of cases of human fascioliasis in the national territory may be higher due to underreporting related to the difficulty in diagnosing the infection.
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