Table 2: Numbers of pathogens detected by PCR according to age.

 InfantsChildrenElementary school pupilMinor (junior high school student or older)Adult

Enterovirus02101
Mycoplasma pneumoniae 00110
Parainfluenza 102001
Rhinovirus29001
Rhinovirus + parainfluenza 101000
Rhinovirus + RSV-A01000
Rhinovirus + RSV-A and RSV-B 01000
RSV-A02000
RSV-B01000