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

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

Pneumonia is a lung infection caused by bacteria, viruses, fungi, or tuberculosis. Symptoms include fever, cough, chest pain, and shortness of breath. Early diagnosis and treatment are crucial to ...

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 ...

Four viruses are circulating in the U.S., sparking concerns of a possible “quademic." Here's what to know about risk factors and prevention of these common contagious diseases, according to doctors.

Although sexually transmitted infections come in various forms, there are various ways to prevent and treat STIs.

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.

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

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

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

HIV is a virus that attacks the immune system. It can transmit through sexual contact and some other means. HIV makes a person more prone to certain other infections. Without treatment ...