TABLE 2.

Subgroup distributions of HRSV-A and -B infections in Belgium during 10 epidemic seasons

Epidemic seasonNo. of samplesaNo. (%) of typed samplesNo. (%)b of HRSV infections with the following subgroup(s):
HRSV-AHRSV-BHRSV-A and HRSV-B
1996-199710486 (83)57 (66)28 (33)1 (1)
1997-199812997 (75)62 (64)33 (34)2 (2)
1998-1999124102 (82)26 (25)76 (75)0
1999-200014697 (66)73 (75)23 (24)1 (1)
2000-200113684 (62)69 (82)15 (18)0
2001-200212986 (67)13 (15)73 (85)0
2002-2003173131 (75)72 (55)59 (45)0
2003-2004178123 (69)75 (61)46 (37)2 (2)
2004-200513290 (68)20 (22)68 (76)2 (2)
2005-200614183 (59)70 (84)12 (15)1 (1)
  • a Total number of HRSV antigen-positive samples.

  • b Percentages apply to the total number of typed HRSV antigen-positive samples for the season.