Table 1.
Rotavirus genotyping results from adults ≥18 years old presenting acute gastroenteritis, Brazil, 2004–2011.
| Rotavirus genotype | Year |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| 2004% (No.) | 2005% (No.) | 2006% (No.) | 2007% (No.) | 2008% (No.) | 2009% (No.) | 2010% (No.) | 2011% (No.) | Total % (No.) | |
| G1P[4] | – | – | 1.9% (1) | 25.0% (2) | – | – | – | – | 1.7% (3) |
| G1P[8] | 30.7% (4) | 54.5% (6) | 7.7% (4) | – | – | – | – | – | 7.8% (14) |
| G2P[4] | – | – | 59.7% (31) | 62.5% (5) | 77.3% (17) | – | 90.4% (57) | 60% (6) | 64.5% (116) |
| G3P[8] | – | 9.1% (1) | – | – | – | – | 4.8% (3) | – | 2.2% (4) |
| G9P[8] | 38.5% (5) | 9.1% (1) | 9.6% (5) | – | – | – | – | 10% (1) | 6.7% (12) |
| G2 + G9P[NT] | – | – | 3.8% (2) | – | – | – | – | – | 1.1% (2) |
| G2 + G3P[4] + [8] | – | – | – | – | – | – | 1.6% (1) | – | 0.5% (1) |
| G9P[NT] | 15.4% (2) | – | – | – | – | – | 1.6% (1) | – | 1.7% (3) |
| G1P[NT] | – | – | 5.8% (3) | – | – | – | – | – | 1.7% (3) |
| G2P[NT] | – | – | 1.9% (1) | – | 4.5% (1) | – | – | 20% (2) | 2.2% (4) |
| GNTP[8] | 7.7% (1) | – | – | – | – | – | – | – | 0.5% (1) |
| GNTP[4] | – | – | – | – | – | – | – | 10% (1) | 0.5% (1) |
| GNTP[NT] | 7.7% (1) | 27.3% (3) | 9.6% (5) | 12.5% (1) | 18.2% (4) | 100% (1) | 1.6% (1) | – | 8.9% (16) |
| Total of genotyped samples | 68.4% (13) | 91.7% (11) | 96.3% (52) | 80.0% (8) | 95.6% (22) | 100% (1) | 92.6% (63) | 100% (10) | 91.4% (180) |
| RT-PCR negative | 31.6% (6) | 8.3% (1) | 3.7% (2) | 20.0% (2) | 4.4% (1) | – | 7.4% (5) | – | 8.6% (17) |
| Total RVA ELISA positive | 7.8% (19) | 4.3% (12) | 11.2% (54) | 4.6% (10) | 12.9% (23) | 0.7% (1) | 20.0% (68) | 4.6% (10) | 9.4% (197) |
| RVC | – | – | – | – | 3.4% (6) | – | – | – | 0.3% (6) |
| Total of samples | 244 | 277 | 484 | 217 | 178 | 146 | 339 | 217 | 2102 |
NT, non-typed.