Bacterial and viral pneumonia have similar symptoms but ... its symptoms are similar to those of the flu, common cold, and bronchitis. To diagnose pneumonia, your healthcare provider will perform ...

Acute bronchitis is usually caused by a virus. In less than 10 percent of cases, it’s caused by bacteria. In both viral and bacterial bronchitis, germs enter the bronchial tubes of your lungs ...

"Viral bronchitis can be spread from person to person ... and antibiotics are only designed to target and kill bacteria, not viruses. But he adds that antiviral medicines are sometimes recommended ...