Respiratory viruses can remain hidden in immune cells in the lungs long after the initial symptoms of an infection have ...

Avery Koonce, a 19-year-old US Air Force Academy cadet, tragically died from untreated pneumonia caused by a viral lung infection and bacterial sepsis, according to an autopsy report.

I recently turned 65 and would like to know if am supposed to get the pneumonia vaccine? And if so, which type of vaccine do I need ...

The U.S. is currently in the midst of yet another West Nile virus (WNV) outbreak, with the CDC documenting 880 cases across 46 states so far this ...

Antibiotics, once hailed as miracle drugs, are losing their effectiveness due to misuse and over-the-counter availability in ...