GENERAL HEALTH: Structures and functions of respiratory tract; Bird flu at a glance� DIAGNOSIS: Clinical approach to children with cough and/or difficulty breathing Clinical features of acute upper respiratory tract infections; Acute community acquired pneumonia in previously healthy lungs� MANAGEMENT: Treatment of acute community acquired pneumonia in previously healthy lungs; How to deal with an acute asthma patient? Coping with common cold and flu� FROM THE FIELD: Pneumonia case study; Recurrent respiratory infections in children� PREVENTION: Prophylaxis of Pneumocystic carinii pneumonia in HIV-AIDS; Glossary... Obese file in course of treatment