Table 2.
Antigenic and genomic characteristics of HRSV strains analyzed in the study
| Year | Total of samples | HRSV positive by IFA N (%) | HRSV subgroups | Genotypes (A) | Genotypes (B) | |||
|---|---|---|---|---|---|---|---|---|
| A | B | GA2 N (%) | GA5 N (%) | GB3 | BA | |||
| 2004 | 411 | 102 (24·8) | 57 (55·8) | 33 (32·3) | 3 (37·5) | 5 (62·5) | – | 4 (100) |
| 2005 | 492 | 97 (19·7) | 40 (41·2) | 23(23·7) | 2 (9·5) | 19 (90·5) | 5 (100) | – |
| 2006 | 653 | 79 (12) | 34(43) | 17(21·5) | 3 (30) | 7 (70) | 3 (42·8) | 4 (57·2) |
| 2007 | 623 | 89 (14·3) | 45(50·5) | 24(27) | 6 (60) | 5 (40) | – | 7 (100) |
| 2008 | 706 | 89 (12·6) | 39(43·8) | 28(31·4) | 8 (100) | – | – | 5 (100) |
| Total | 2885 | 456 (15·8) | 215 (47·1) | 129 (28·2) | 22 (38) | 36 (62) | 8 (28·5) | 20 (71·5) |
IFA, immunofluorescence asssay.