Table 1.

Anti-RSV IgG at the age of 1 year and respiratory symptoms during the RSV epidemic^*

	Uninfected (n = 26)	Mild RSV infection (n = 15)	RSV bronchiolitis (n = 27)
Anti RSV IgG (units)*	2·8	22·4	17·3
	(1–6)	(14–30)	(6–30)
Wheezing	0	8	25
Cough	10	12	27
Tachypnoea (>55 breaths/min)	0	0	27
Poor drinking	0	0	23
Chest indrawing	0	0	22
Oxygen supplemetation	0	0	20

^*Data are presented as n or median (range).