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Health Sciences • Acta Amaz. 49 (2) • Apr-Jun 2019 • https://doi.org/10.1590/1809-4392201802671   copy

First report of Myxobolus (Cnidaria: Myxozoa) spores in human feces in Brazil

Primeiro relato de esporos de Myxobolus (Cnidaria: Myxozoa) em fezes humanas no Brasil

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

Most species of Myxobolus (Cnidaria: Myxozoa) infect freshwater and marine fish, and cause sporozoosis. Passage of myxozoan parasites into human feces has been described occasionally. We examined fecal samples from 97 dwellers of a riverine community in Amazonas State (Brazil), which revealed Myxobolus sp. in 13 (13%) samples. The discovery probably does not represent true parasitism as the myxospores - most likely ingested through the consumption of infected fish - were eliminated unchanged after passing through the gastrointestinal tract. This discovery represents the first report of this myxosporean in human fecal samples in Brazil.

KEYWORDS:
myxosporean; human infection; Amazon; fish consumption

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E-mail: acta@inpa.gov.br
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