First report of human astrovirus MLB2 in Brazil detected in feces of children with acute gastroenteritis living in the state of Roraima, Northern Brazil

AUTOR(ES)

Olivares, Alberto Ignacio Olivares; Moraes, Marcia Terezinha Baroni de; Queiroz, Herika Caroline Fernandes de; Pimenta, Yan Cardoso; Leite, José Paulo Gagliardi

FONTE

Braz J Infect Dis

DATA DE PUBLICAÇÃO

2020-12

RESUMO

ABSTRACT Human astrovirus (HAstV) 1-8 and highly divergent HAstVMLB1−3 genotypes have been detected in children both with and without acute gastroenteritis (AGE). One hundred and seventy fecal samples from children (≤5 years old) living in the Amazon region were evaluated for the presence of HAstV1-8, HAstV MLB1−3 and HAstVVA1−3, using an usual RT-PCR protocol and a new protocol with specific primers designed to detect HAstVMLB1−3. HAstVMLB1 and HAstV MLB2, as well as the HAstV3 and 5 genotypes were detected. HAstVMLB1−2 genotype was detected for the first time in Brazil at a frequency of 3.5% (6/170).

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