pt. 1. Introduction -- pt. 2. Epidemiology -- pt. 3. Immunopathology and mechanisms of disease -- pt. 4. Models of virus infection and virus-induced asthma -- pt. 5. Clinical aspects of respiratory virus infection -- pt. 6. Role of virus infections in the development of asthma -- pt. 7. Atypical infections and asthma -- pt. 8. Treatment of respiratory infections and virus-induced asthma.