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Volume 12, Number 6—June 2006

Research

Human Rotavirus Serotype G9, São Paulo, Brazil, 1996–2003

Rita Cássia Compagnoli Carmona*Comments to Author , Maria do Carmo Sampaio Tavares Timenetsky*, Simone Guadagnucci Morillo*, and Leonardo José Richtzenhain†
Author affiliations: *Adolfo Lutz Institute, São Paulo, Brazil; †University of São Paulo, São Paulo, Brazil

Main Article

Table 1

Distribution of rotavirus G types from children, adults, and elderly patients with acute diarrhea in São Paulo, Brazil, 1996–2003

Year No. rotavirus isolates No. (%) selected for genotyping G1 G2 G3 G4 G9 Mixed* Not typeable
1996 33 21 (63.3) 19 (90.5) 2 (9.5) 0 0 0 0 0
1997 121 48 (39.7) 45 (93.8) 0 0 3 (6.3) 0 0 1 (2.1)
1998 45 16 (35.6) 12 (75.0) 0 0 4 (25.0) 0 0 0
1999 99 56 (56.6) 46 (82.1) 0 0 10 (17.9) 0 0 2 (3.6)
2000 98 52 (53.1) 42 (80.8) 0 0 0 7 (13.4) 3 (5.8) 5 (9.6)
2001 57 46 (80.7) 28 (60.9) 2 (4.3) 1 (2.2) 6 (13.0) 4 (8.7) 1 (2.2) 1 (2.2)
2002 90 49 (54.4) 18 (36.7) 0 2 (4.1) 4 (8.2) 23 (46.9) 2 (4.1) 6 (12.2)
2003 231 127 (55.0) 84 (66.1) 1 (0.8) 0 0 40 (31.5) 2 (1.6) 5 (3.9)
Total 774 431 (55.7) 294 (68.2) 5 (1.2) 3 (0.7) 27 (6.3) 74 (17.2) 8 (1.8) 20 (4.6)

*Mixed infections: 2000, G1+G9 (n = 3); 2001, G2+G3 (n = 1); 2002, G1+G9 (n = 1) and G4+G9 (n = 1); 2003, G1+G9 (n = 2).

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