Table 1

Distribution of 356 adults with community-acquired pneumonia by infection classification

Infection classificationN%
Negative cases12434.8
Only bacteria*9225.8
Only viruses*8022.5
Mixed†6016.9
  • Santiago, Chile, February 2005–December 2007.

  • *One or more agents per case.

  • †Mixed virus and bacteria, with one or more agents per case.