[Community viral pneumonia in the adult population: a prospective multicenter study of 62 cases. The Pneumonia Study Group of the Community of Valencia].

The present work prospectively analyzes, in a multicentric study, viral pneumonias acquired in the community during one year. Were studied 510 patients diagnosed of pneumonia in hospital, or whom 62 (12.1%) had a viral origin. Influenza virus A and B were the most common causative agents (47.6% and 20.6% respectively). Smoking habit was present in 44% of patients, previous OCFA in 45% and other previous pathology in 64.4%. The greatest number of registered cases was during December. The most frequent radiologic finding was alveolar pattern. Evolution in general, was favourable with a low mortality rate (one case).