The most popular bacterial organism was Streptococcus pneumoniae (65.6%) followed by Mycoplasma pneumoniae (18.8%), and the commonest identified virus was Parainfluenza virus 3 (12.5%).
Trong nhóm vi khuẩn, Streptococcus pneumoniae chiếm tỷ lệ cao nhất (65,6%), kế đến là Mycoplasma pneumoniae (18,8%).