Pathogens implicated in pneumonia during pregnancy: from four studies (n=161)12–15
| Pathogen | No (%) |
| Streptococcus pneumoniae | 28 (17%) |
| Haemophilus influenzae | 9 (5.5%) |
| Mycoplasma pneumoniae | 5 (3%) |
| Legionella sp | 2 (1.2%) |
| Staphylococcus aureus | 2 (1.2%) |
| Influenza A virus | 2 (1.2%) |
| Others | 14 (9%) |
| Unknown | 99 (61%) |