TABLE 3.
Detection of human metapneumovirus (hMPV) and human respiratory syncytial virus (hRSV) in nasopharyngeal aspirates collected between November 2003 and May 2004 and between November 2004 and May 2005
| Period | No. samples tested by hRSV/hMPV PCR (aged <60 months) | No. hRSV-Ag positive | No. hRSV-PCR positive (%) | No. hMPV positive (%) |
|---|---|---|---|---|
| 2003–2004 | ||||
| November | 29 | 3 | 10 (34.5)a | 2 (6.9) |
| December | 122 | 47 | 76 (62.3) | 3m (2.5)b |
| January | 45 | 22 | 25 (55.6) | 4 (8.9) |
| February | 27 | 9 | 13 (48.1) | 6 (22.2) |
| March | 26 | 3 | 3 (11.5) | 4 (15.4) |
| April | 13 | 0 | 0 (0) | 3 (23.1) |
| May | 17 | 0 | 0 (0) | 0 (0) |
| Subtotal | 279 | 84 | 127 (45.5) | 22 (7.8) |
| 2004–2005 | ||||
| November | 45 | 10 | 18 (40.0) | 0 (0) |
| December | 135 | 60 | 93 (68.9) | 6 (4.4) |
| January | 82 | 28 | 37 (45.1) | 4 (4.9) |
| February | 88 | 11 | 22 (25.0) | 3 (3.4) |
| March | 62 | 2 | 3 (4.8) | 7 (11.3) |
| April | 43 | 2 | 2 (4.9) | 5 (11.6) |
| May | 44 | 3 | 4 (9.1) | 7 (15.9) |
| Subtotal | 499 | 116 | 179 (35.9) | 32 (6.4) |
| Total | 778 | 200 | 306 (39.2) | 54 (6.9) |
Ag, antigen.
a
Two individuals had two hRSV-positive specimens obtained <5 days apart; these were considered to be a single infection.
b
One individual had two hMPV-positive specimens obtained <4 days apart; these were considered to be one infection.