Table 2.

Multiple viral infections in HBoV-positive samples.

Two virus infection (n)	Three virus infection (6 cases)	Four virus infection (1 case)
RSV (10)	PIV1/HRV	RSV/HRV/IBV
HRV (4)	RSV/HRV
IAV/IBV (5/7)	RSV/HMPV
HMPV (3)	RSV/229E
ADV (5)	PIV4/HRV
HCoV-NL63 (1)	RSV/ADV
PIV1/3 (4/3)

RSV: Respiratory syncytial virus; HRV: human rhinovirus; IAV: influenza A virus; IBV: influenza B virus; HMPV: human metapneumovirus; ADV: adenovirus; HCoV: human coronaviruses (including 229E, NL63); PIV1–4: parainfluenza virus 1–4.