Mem Inst Oswaldo Cruz, Rio de Janeiro, VOLUME 115 | JUNE 2020
Short communication

Infection by Angiostrongylus cantonensis in both humans and the snail Achatina (Lissachatina) fulica in the city of Macapá, in the Amazon Region of Brazil

Tatiane Alves Barbosa1,2, Silvana Carvalho Thiengo2,+, Monica Ammon Fernandez2, Carlos Graeff-Teixeira3, Alessandra Loureiro Morassutti4, Fábio Rodrigo Paixão Mourão1, Clóvis Omar Sá Miranda1, Michel de Moraes Jorge1, Liliane Freitas Costa2,5, Suzete Rodrigues Gomes2

1Secretaria Municipal de Saúde de Macapá, Coordenação de Vigilância em Saúde, Macapá, AP, Brasil
2Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Laboratório de Referência Nacional para Esquistossomose-Malacologia, Rio de Janeiro, RJ, Brasil
3Universidade Federal do Espírito Santo, Centro de Ciências da Saúde, Núcleo de Doenças Infecciosas, Vitória, ES, Brasil
4Instituto de Patologia de Passo Fundo, Passo Fundo, RS, Brasil
5Superintendência de Vigilância em Saúde, Laboratório Central de Saúde Pública, Amapá, Brasil

DOI: 10.1590/0074-02760200115
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ABSTRACT

In January and February 2019, a malacological survey was conducted in the area surrounding the residence of a 12-year-old child that had contracted cerebral angiostrongyliasis in the municipality of Macapá, capital of the Amapá State, northern Brazil. The serological examination was positive for Angiostrongylus cantonensis infection, the principal etiological agent of this parasitosis. A sample of 54 molluscs was artificially and individually digested for parasitological analysis, containing 38 specimens of Achatina fulica, nine specimens of Bulimulus tenuissimus and seven specimens of Sarasinula linguaeformis. A. fulica was the most abundant mollusc, and the only species infected with A. cantonensis, as well as presenting co-infections with other nematodes. This is the first report of cerebral angiostrongyliasis in the Amazon Region, and the first record of A. fulica infected with A. cantonensis in Amapá. These findings highlight the potential risks of human angiostrongyliasis, and the need to implement public health measures to control the spread of the disease.

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+ Corresponding author: scarvalhothiengo@gmail.com
ORCID https://orcid.org/0000-0002-5547-206X
Received 13 March 2020
Accepted 15 June 2020

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