COPD and Lungs

Respiratory Tract infection (RTI) includes various infectious diseases of the respiratory tract. An infection of this type classified as upper respiratory tract infection (URI or URTI) or a lower respiratory tract infection (LRI or LRTI).

Upper respiratory tract infections include pharyngitis, laryngitis, tonsillitis, and certain types of influenza, sinusitis, otitis media and the common cold. Lower respiratory tract infections include bronchitis and pneumonia.