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Frequencies of respiratory syncytial virus subtypes A and B over four consecutive years in South Africa
| Subtype(s) | No. (%) of specimens positive for subtype(s) in: |
|||
|---|---|---|---|---|
| 2006 (76 specimens) | 2007 (74 specimens) | 2008 (32 specimens) | 2009 (25 specimens) | |
| A | 45 (59) | 67 (90) | 29 (91) | 4 (16) |
| B | 27 (36) | 5 (7) | 3 (9) | 21 (84) |
| Dual infections | 4 (5) | 2 (3) | 0 | 0 |
