From: Comparison of the frequency of bacterial and viral infections among children with community-acquired pneumonia hospitalized across distinct severity categories: a prospective cross-sectional study
Aetiology
Severity by the World Health Organization 2000 criteria
Non-severe (n = 24)
Severe (n = 58)
Very severe (n = 9)
Sole bacterial infection
3 (12.5)
17 (29.3)
5 (55.6)
Sole viral infection
21 (87.5)
41 (70.7)
4 (44.4)