The following points highlight the top four types of respiratory tract infection. The types are: 1. Infections of Throat and Pharynx 2. Infection of Middle Ear and Sinuses 3. Infection of Trachea and Bronchus 4. Infections of Lungs. Respiratory Tract Infection: Type # 1. Infections of Throat and Pharynx: Sore Throat: It is an acute […]