Abstract
Endemic Angiostrongyliasis, Rio de Janeiro, Brazil
Highlights
Because of the recent cases of eosinophilic meningoencephalitis in Brazil and the occurrence of naturally infected A. fulica snails in Rio de Janeiro, we investigated the existence of potential natural reservoirs for the parasite in São Gonçalo
Neighbor-joining phylogenetic tree based on Kimura 2-parameter (K2-p) distances that includes all Angiostrongylus COI sequences in GenBank and the sequences obtained from 3 Angiostrongylus specimens recovered from the pulmonary arteries of a naturally infected Norway rat (Rattus norvegicus) from São Gonçalo, Rio de Janeiro, Brazil, 2010
The 3 A. cantonensis specimens from São Gonçalo, Rio de Janeiro, yielded a single haplotype, which formed a clade with the A. cantonensis haplotype from the People’s Republic of China with low genetic distance (K2-p 0.038) and high bootstrap support [98], confirming the morphologic identification
Summary
To the Editor: The nematode Angiostrongylus cantonensis (rat lung worm), a zoonotic parasite that can accidentally infect humans and cause eosinophilic meningoencephalitis, has the Norway rat (Rattus norvegicus) as one of its most frequent definitive vertebrate hosts [1]. Intermediate hosts have been found naturally infected with rat lung worm in Brazil.
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