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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

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Table 2

Association of P- and G-type rotavirus strains from patients with acute diarrhea, São Paulo, Brazil, 1996–2003

P and G association 1996, n (%) 1997, n (%) 1998, n (%) 1999, n (%) 2000, n (%) 2001, n (%) 2002, n (%) 2003, n (%) Total, n (%)
Common genotypes 17 (94.4) 32 (100) 15 (93.8) 50 (98.0) 34 (81.0) 21 (72.4) 16 (38.1) 65 (63.7) 250 (75.3)
P[8]G1 15 (83.3) 30 (93.7) 12 (75.0) 40 (78.4) 34 (81.0) 14 (48.3) 12 (28.5) 64 (62.7) 221 (66.6)
P[4]G2 2 (11.1) 0 0 0 0 0 0 1 (1.0) 3 (1.0)
P[8]G3 0 0 0 0 0 0 2 (4.8) 0 2 (0.6)
P[8]G4 0 2 (6.3) 3 (18.8) 10 (19.6) 0 7 (24.1) 2 (4.8) 0 24 (7.2)
Uncommon genotypes 1 (5.6) 0 1 (6.2) 1 (2.0) 0 6 (20.7) 3 (7.1) 1 (1.0) 13 (3.9)
P[4]G1 1 (5.6) 0 0 0 0 2 (7.0) 2 (4.8) 1 (1.0) 6 (1.8)
P[6]G1 0 0 0 0 0 1 (3.4) 0 0 1 (0.3)
P[4]+P[6]G1 0 0 0 0 0 0 1 (2.4) 0 1 (0.3)
P[6]+P[8]G1 0 0 0 1 (2.0) 0 1 (3.4) 0 0 2 (0.6)
P[6]G2 0 0 0 0 0 2 (7.0) 0 0 2 (0.6)
P[4]G4 0 0 1 (6.2) 0 0 0 0 0 1 (0.3)
G9 genotypes 0 0 0 0 5 (12.0) 1 (3.4) 21 (50.0) 34 (33.3) 61 (18.4)
P[4]G9 0 0 0 0 0 0 1 (2.4) 3 (2.9) 4 (1.2)
P[6]G9 0 0 0 0 0 0 0 1 (1.0) 1 (0.3)
P[8]G9 0 0 0 0 5 (12.0) 1 (3.4) 20 (47.6) 30 (29.4) 56 (16.9)
Mixed infection 3 (7.0) 1 (3.4) 2 (4.8) 2 (2.0) 8 (2.4)
P[8]G1+G9 0 0 0 0 3 (7.0) 0 0 1 (1.0) 5 (1.5)
P[6]G1+G9 0 0 0 0 0 0 1 (2.4) 0 1 (0.3)
P[4]G2+G3 0 0 0 0 0 1 (3.4) 0 0 1 (0.3)
P[8]G4+G9 0 0 0 0 0 0 1 (2.4) 0 1 (0.3)

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