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. 2003 Jul;41(7):3399-402.
doi: 10.1128/JCM.41.7.3399-3402.2003.

Surveillance of rotavirus strains in Rio de Janeiro, Brazil, from 1997 to 1999

Norma Santos  1 , Caroline C Soares, Eduardo M Volotão, Maria Carolina M Albuquerque, Yasutaka Hoshino
Affiliations

Surveillance of rotavirus strains in Rio de Janeiro, Brazil, from 1997 to 1999

Norma Santos et al. J Clin Microbiol. 2003 Jul.

Abstract

One hundred fifty-seven (23%; n = 678) rotavirus-positive stool samples were collected between March 1997 and December 1999 in the cites of Rio de Janeiro and Niterói. Rotaviruses in 143 (91%) samples were genotyped by reverse transcription-PCR for G and/or P specificity. Rotaviruses in the majority of G-P-typeable samples (73.3%; 74 of 101) were identified as having globally common genotypes G1P[8], G2P[4], G3P[8], and G4P[8]. Unusual strains such as G1P[9], G2[P8], G3P[9], and G9P[4] strains were detected in 8.9% (9 of 101) of the samples. Genotypes G9P[8], G9P[6], and a mixture of G9 and other G or P types represented 15.9% (25 of 157) of the isolates. Mixed infections were detected in 25 (15.9%) samples, and rotaviruses in 15 samples (9.6%) were not typed.

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