TABLE 1.
Distribution of RSV subgroups and genotypes and demographic details for patients infected with RSV over three epidemic seasons from November 2001 to July 2004
| Subgroup and genotype | 2001-2002 seasona
|
2002-2003 seasonb
|
2003-2004 seasonc
|
|||
|---|---|---|---|---|---|---|
| nd/totale (%) | Age (yr [mean ± SD]) | n/total (%) | Age (yr [mean ± SD]) | n/total (%) | Age (yr [mean ± SD]) | |
| A | 30/74 (40.5) | 0.8 ± 0.6 | 9/187 (4.8) | 1.6 ± 1.2 | 83/238 (34.9) | 1.2 ± 0.8 |
| GA2 | 0/74 (0.0) | 0/187 (0.0) | 1/238 (0.4) | 1.1 ± 0.0 | ||
| GA5 | 29/74 (39.2) | 0.8 ± 0.6 | 6/187 (3.2) | 1.3 ± 1.1 | 82/238 (34.5) | 1.2 ± 0.8 |
| GA7 | 1/74 (1.4) | 0.3 ± 0.0 | 3/187 (1.6) | 1.9 ± 1.4 | 0/238 (0.0) | |
| B | 2/74 (2.7) | 0.7 ± 0.5 | 45/187 (24.1) | 1.0 ± 0.7 | 16/238 (6.7) | 1.0 ± 0.9 |
| GB3 | 0/74 (0.0) | 4/187 (2.1) | 1.0 ± 0.9 | 0/238 (0.0) | ||
| SAB3 | 2/74 (2.7) | 0.7 ± 0.5 | 0/187 (0.0) | 0/238 (0.0) | ||
| BA virusf | 0/74 (0.0) | 41/187 (21.9) | 1.0 ± 0.7 | 16/238 (6.7) | 1.0 ± 0.9 | |
| Total | 32/74 (43.2) | 0.8 ± 0.6 | 54/187 (28.9) | 1.1 ± 0.8 | 99/238 (41.6) | 1.1 ± 0.8 |
a
The 2001-2002 season was from November 2001 to July 2002.
b
The 2002-2003 season was from August 2002 to July 2003.
c
The 2003-2004 season was from August 2003 to July 2004.
d
n, number of confirmed cases.
e
Total, number of suspected cases.
f
BA viruses are strains with a 60-nucleotide insertion in the second variable region of G protein.