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Table 2 Etiology of study population with CAP

From: Viral etiology of community-acquired pneumonia among adolescents and adults with mild or moderate severity and its relation to age and severity

Pathogen identified n (%)
At least one pathogen 393 (41.2)
Respiratory viruses (RVs) 262 (27.5)
 Influenza virus A 94 (9.9)
  Pandemic H1N1 (pH1N1) 60 (6.3)
  Seasonal H3N2 (sH3N2) 30 (3.1)
  pH1N1 and sH3N2 4 (0.4)
 Human rhinovirus 41 (4.3)
 Adenovirus 40 (4.2)
 Human metapneumovirus 17 (1.8)
 Parainfluenza virus type 1 16 (1.7)
 Parainfluenza virus type 3 14 (1.5)
 Parainfluenza virus type 2 11 (1.2)
 Influenza virus B 6 (0.6)
 Enterovirus 5 (0.5)
 Respiratory syncytial virus type A 5 (0.5)
 Respiratory syncytial virus type B 4 (0.4)
 Human coronavirus types OC43/HKU1 4 (0.4)
 Human coronavirus types 229E/NL63 4 (0.4)
 Parainfluenza virus type 4 1 (0.1)
 Bocavirus 0 (0)
Bacteria 219 (23.0)
Mycoplasma pneumoniae 168 (17.6)
Legionella pneumophila 4 (0.4)
 Typical bacteria 47
  1. Data are expressed as n (%).