Fig. 1: Cytopathic effects were observed in different cell lines.

a Influenza A virus (IFA), b Parainfluenza virus (PIV), c Adenovirus (ADV), and d Respiratory syncytial virus (RSV).
a Influenza A virus (IFA), b Parainfluenza virus (PIV), c Adenovirus (ADV), and d Respiratory syncytial virus (RSV).