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Journal of Clinical Microbiology, July 2003, p. 3399-3402, Vol. 41, No. 7
0095-1137/03/$08.00+0     DOI: 10.1128/JCM.41.7.3399-3402.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.

Surveillance of Rotavirus Strains in Rio de Janeiro, Brazil, from 1997 to 1999

Norma Santos,1* Caroline C. Soares,1 Eduardo M. Volotão,1 Maria Carolina M. Albuquerque,1 and Yasutaka Hoshino2

Departamento de Virologia, Instituto de Microbiologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro RJ 21.941-590, Brazil,1 Laboratory of Infectious Diseases, National Institutes of Health, Bethesda, Maryland 208922

Received 22 January 2003/ Returned for modification 4 March 2003/ Accepted 27 March 2003

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.

* Corresponding author. Mailing address: Departamento de Virologia, Instituto de Microbiologia, Universidade Federal do Rio de Janeiro, Cidade Universitária, CCS-Bl. I, Ilha do Fundão, Rio de Janeiro RJ 21.941-590, Brazil. Phone: 55 021 2260-9311. Fax: 55 021 2560-8344. E-mail: nsantos{at}micro.ufrj.br.

Journal of Clinical Microbiology, July 2003, p. 3399-3402, Vol. 41, No. 7
0095-1137/03/$08.00+0     DOI: 10.1128/JCM.41.7.3399-3402.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.



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