<unk>  <unk>  is a term often used as a synonym for pneumonia but can also be applied to other types of infection including lung abscess and acute bronchitis. Symptoms include shortness of breath, weakness, fever, coughing and fatigue. A routine chest X-ray is not always necessary for people who have symptoms of a<unk> . Influenza affects both the upper and<unk>  respiratory<unk> s. Antibiotics are the first line treatment for pneumonia; however, they are neither effective nor indicated for parasitic or viral infections. Acute bronchitis typically resolves on its own with time. In 2015 there were about 291 million cases. These resulted in 2.74 million deaths down from 3.4 million deaths in 1990. This was 4.8% of all deaths in 2013.
Lower respiratory tract infection
Upper respiratory tract infection
Respiratory tract infection
Mouth infection
Pulmonary aspiration
Post-viral cough
Bronchorrhea
Pneumonitis