CNN wellness expert Dr. Leana Wen suggests what to do to reduce your risk of catching respiratory viruses this winter and how ...

You, my friend, are what scientists call a "holobiont"- an organism made up of human cells and the multiplicity of ...

Treatment may depend on the cause ... leading to a sinus infection. Sinusitis is usually caused by a virus and often lasts even after other upper respiratory symptoms are gone.

Guillain-Barré Syndrome (GBS) is a rare autoimmune disorder where the immune system attacks peripheral nerves, causing ...

The United States is seeing a second peak in flu cases this season. After doctor’s office visits for flu dipped early this ...

Person-to-person transmission remains rare, but Dr. David Hirschwerk provides insight into how to protect yourself from Avian ...

A recent study conducted on human A(H5N1) cases in the United States found that conjunctivitis was the primary symptom ...

Respiratory Syncytial Virus (RSV) is a highly contagious respiratory illness that primarily affects infants and older adults, ...

Here's what you need to know about the highly pathogenic H5N1 avian influenza, and what bird flu might mean to you, your ...

Learn essential information about the relationship between HPV and oral cancer, including prevention strategies, symptoms, ...

Here's what bacterial meningitis is, how it's different from viral and other types of meningitis, and what treatment can be ...