Box 1.

ICD 9 codes of cases used in identifying cases.

All-cause pneumonia

480 Viral pneumonia

481 Pneumococcal pneumonia (Streptococcus pneumoniae, pneumonia)

482 Other bacterial pneumonia

483 Pneumonia due to other specified organism

484 Pneumonia in infectious diseases classified elsewhere

485 Bronchopneumonia, organism unspecified

486 Pneumonia, organism unspecified

487 Influenza

487.0 Influenza with pneumonia, any form

Pneumococcal pneumoniae

481 Pneumococcal pneumonia [Streptococcus pneumoniae pneumonia]

Invasive Pneumococcal disease

320.1 Pneumococcal meningitis

038.2 Pneumococcal septicemia [Streptococcus pneumoniae septicemia]

481 Pneumococcal pneumonia [Streptococcus pneumoniae pneumonia]