Table 2.
Distribution of detected rotavirus strains in Thai children from four regions of Thailand, 2008–2010
| Genotypes | CR (N = 208) | KR (N = 88) | PN (N = 68) | SR (N = 122) | Total (%) N = 486 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 (%) (N = 40) | 2009 (%) (N = 128) | 2010 (%) (N = 40) | 2008 (%) (N = 14) | 2009 (%) (N = 40) | 2010 (%) (N = 34) | 2008 (%) (N = 3) | 2009 (%) (N = 37) | 2010 (%) (N = 28) | 2008 (%) (N = 11) | 2009 (%) (N = 108) | 2010 (%) (N = 3) | ||
| Common genotypes | |||||||||||||
| G1P[8] | 1 (2.5) | 70 (54.7) | 28 (70.0) | 2 (14.3) | 5 (12.5) | 21 (61.8) | 2 (66.7) | 16 (43.2) | 12 (42.9) | 9 (81.8) | 48 (44.4) | – | 214 (44.0) |
| G2P[4] | 34 (85.0) | 15 (11.7) | – | 2 (14.3) | 16 (40.0) | – | 1 (33.3) | 6 (16.2) | – | 1 (9.1) | 38 (35.2) | – | 113 (23.3) |
| G3P[8] | – | 17 (13.3) | 4 (10.0) | – | 3 (7.5) | 6 (17.6) | – | 1 (2.7) | 7 (25.0) | 1 (9.1) | – | 1 (33.3) | 40 (8.2) |
| G4P[8] | – | 2 (1.6) | – | – | – | – | – | – | – | – | – | – | 2 (0.4) |
| G9P[8] | 2 (5.0) | 4 (3.1) | 3 (7.5) | 5 (35.7) | 8 (20.0) | – | – | 1 (2.7) | 3 (10.7) | – | 10 (9.3) | – | 36 (7.4) |
| Uncommon genotypes* | |||||||||||||
| G1P[4] | – | 4 (3.1) | – | – | 2 (5.0) | – | – | – | – | – | 2 (1.9) | – | 8 (1.7) |
| G1P7[5] | – | – | – | – | – | – | – | – | – | – | – | 1 (33.3) | 1 (0.2) |
| G1P[6] | – | 1 (0.8) | – | – | – | 2 (5.9) | – | – | – | – | – | – | 3 (0.6) |
| G2P[6] | – | – | – | 1 (7.1) | 1 (2.5) | 1 (2.9) | – | – | – | – | – | – | 3 (0.6) |
| G2P[8] | 1 (2.5) | 4 (3.1) | 2 (5.0) | – | 2 (5.0) | – | – | 2 (5.4) | – | – | 3 (2.8) | – | 14 (2.9) |
| G4P[6] | 1 (2.5) | 1 (0.8) | – | – | – | – | – | – | 1 (3.6) | – | – | – | 3 (0.6) |
| G5P[19] | – | – | – | – | 1 (2.5) | – | – | – | – | – | – | – | 1 (0.2) |
| G9P[4] | – | – | – | – | – | – | – | – | – | – | 2 (1.9) | – | 2 (0.4) |
| G9P[6] | – | – | – | – | – | 1 (2.9) | – | 1 (2.7) | – | – | – | – | 2 (0.4) |
| G12P[6] | 1 (2.5) | – | – | 4 (28.6) | 1 (2.5) | 3 (8.8) | – | – | – | – | – | – | 9 (1.9) |
| G12P[8] | – | 3 (2.3) | 3 (7.5) | – | 1 (2.5) | – | – | 10 (27.0) | 2 (7.1) | – | – | – | 19 (3.9) |
| Non-typeables | |||||||||||||
| G1 PNT | – | – | – | – | – | – | – | – | – | – | 1 (0.9) | – | 1 (0.2) |
| G9 PNT | – | – | – | – | – | – | – | – | 2 (7.1) | – | 1 (0.9) | 1 (33.3) | 4 (0.8) |
| GNT P[4] | – | 2 (1.6) | – | – | – | – | – | – | – | – | – | – | 2 (0.4) |
| GNT P[8] | – | 3 (2.3) | – | – | – | – | – | – | – | – | – | – | 3 (0.6) |
| GNT PNT | – | 2 (1.6) | – | – | – | – | – | – | 1 (3.6) | – | 3 (2.8) | – | 6 (1.2) |
CR = Chiang Rai; GNT = non-typeable G-genotype; KR = Nakorn Rachasrima (Korat); PN = Phitsanulok; SR = Surat Thani; PNT = on-typeable P-genotype. Bold values indicate genotypes identified with the highest percentage in a given year.
* Uncommon genotypes were classified based on the definition provided by the WHO.9