Table 2.
Frequencies of respiratory syncytial virus genotypes over four consecutive years in South Africa
| Subtype and genotype | No. (%) or total no.a of strains sequenced in: |
|||
|---|---|---|---|---|
| 2006 | 2007 | 2008 | 2009 | |
| Subtype A (total no.) | 49 | 69 | 29 | 4 |
| GA2 | 4 (8) | 56 (81) | 24 (83) | 4 (100) |
| GA5 | 43 (88) | 13 (19) | 5 (17) | 0 |
| Untypeable | 2 (4) | 0 | 0 | 0 |
| Subtype B (total no.) | 31 | 7 | 3 | 23 |
| BA | 30 (97) | 7 (100) | 3 (100) | 23 (100) |
| Untypeable | 1 (3) | 0 | 0 | 0 |
a
Total number of strains sequenced. Due to dual infections in some patients, these totals are higher than the number of specimens tested.