Table 4: Comparison between viral infection and clinical severity of LRTIs.

Number/percentage
Mono-infection Co-infectionNo infection

Pneumonia49/33.3323/33.8233/30.84
Pulmonary atelectasis and pneumonia47/31.9712/17.6537/34.58
Capillary bronchitis2/1.361/1.470
Bronchopneumonia26/17.6913/19.1118/16.82
Severe pneumonia7/4.768/11.763/2.80
Heart failure5/3.407/10.292/1.87
Pleural effusion14/9.526/8.8210/9.35