
(HealthDay News) -- Pneumonia is a lung infection that most often spreads through coughing, sneezing or touching.
Most people recover in one to three weeks, but pneumonia can be deadly, especially among people with weaker immune systems.
The American Lung Association explains how pneumonia may be diagnosed:
Can Zinc Really Shorten a Cold?
FDA Proposes Ban on a 'Useless' Decongestant, Phenylephrine
Is It a Cold, Flu or COVID? An Expert Helps You Sort It Out