Table 2.

Samples with positive viral detection.

Sample type		Valid samples*	Positive samples (%)	Respiratory viruses (n°)
HSCT recipients	Day 7	20	9 (45)	HRV (6), ADV (2), PIV (1)
	Day 0	21	6 (29)	HRV (6)
	Day 10	15	3 (20)	HRV (3)
	Day 20	12	4 (33)	HRV (4)
	Day 30	6	3 (50)	HRV (2), PIV (1)
	After day 30	3	0
Healthy controls		17	4 (24)	HRV (1), ADV (1), HRV + AV (1), HRV + HBoV (1)

Abbreviations: ADV, adenovirus; HBoV, human bocavirus; HRV, human rhinovirus; PIV, parainfluenza virus.

*A total of five samples were not valid because they contained blood or because polymerase chain reaction was inhibited.