Incidence rate of community-acquired pneumonia in adults: a population-based prospective active surveillance study in three cities in South America.

Objective: To determine the incidence rate and mortality of community-acquired pneumonia (CAP) in adults in three cities in Latin America during a 3-year period.

Design: Prospective population-based surveillance study.

Setting: Healthcare facilities (outpatient centres and hospitals) in the cities of General Roca (Argentina), Rivera (Uruguay) and Concepción (Paraguay).