Table 1.

Frequency of viruses detected.

Multiplex PCR of nasopharyngeal swab specimens	n = 368	%
Negative	214	58.2
Positive	154	41.8
Rhinovirus	90	24.5
Adenovirus	19	5.2
Enterovirus	15	4.1
Parainfluenza viruses	11	3
Influenza viruses	9	2.4
Respiratory syncytial virus	5	1.4
Metapneumovirus B	3	0.8
Bocavirus	2	0.5