Table 2. Clinical history of infants returning for repeat sampling after first year of life.

Subject	Age (M)	Sex	Recurrent URTIs	Bronchiolitis	Atopy	Medications
FT	16	F	Y	N	N	None
FT	18	F	N	N	N	None
FT	22	F	Y	N	Y	ICS, β2 agonist
FT	13	F	Y	N	N	None
FT	15	M	N	N	N	None
FT	15	M	Y	Y (RSV)	Y	None
FT	13	F	N	N	N	None
FT	15	F	N	N	N	None
FT	13	F	N	N	N	None
FT	14	M	N	N	Y	None
FT	12	F	N	N	Y	None
FT	14	F	N	N	Y	None
FT	12	M	N	N	Y	None
PM (33wks, GA)	12	F	Y	Y (RSV)	N	None
PM (29wks, GA)	12	M	N	N	N	None
PM (33wks, GA)	12	M	N	N	N	None
PM (33wks, GA)	12	M	N	N	N	None
PM (34 wks, GA)	13	F	N	N	N	None
PM (29 wks, GA)	12	M	N	N	N	H2 antagonist
PM (32 wks, GA)	12	M	Y	N	N	None
PM (33 wks, GA)	12	F	N	N	Y	None
PM (33 wks, GA)	12	F	N	N	Y	None
PM (33 wks, GA)	12	F	N	N	Y	None
PM (33 wks, GA)	12	F	N	Y	Y	None

FT = Full term, PM = Preterm, GA = gestational age, M = Months, RSV = Respiratory Syncytial Virus, URTI = Upper respiratory tract infection, ICS = inhaled corticosteroids