Volume 12, Number 6—June 2006
Research
Human Rotavirus Serotype G9, São Paulo, Brazil, 1996–2003
Rita Cássia Compagnoli Carmona*
, Maria do Carmo Sampaio Tavares Timenetsky*, Simone Guadagnucci Morillo*, and Leonardo José Richtzenhain†
, Maria do Carmo Sampaio Tavares Timenetsky*, Simone Guadagnucci Morillo*, and Leonardo José Richtzenhain†
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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