Forget hitchhiking; some tiny viruses are playing viral "Trojan Horse," literally sneaking inside other viruses to invade new ...

Bacterial and viral acute sinus infections typically display similar symptoms. The duration of the infection can help determine if it is viral or bacterial. Many viruses, such as the ones that cause ...

Scientists have uncovered a surprising viral shortcut that turns moving cells into delivery vehicles for infection. Instead of spreading one virus at a time, infected cells bundle viral material into ...

People may use the term “viral heart disease” to describe viral myocarditis. This refers to when a viral infection causes inflammation of heart muscle tissue. Inflammation is the body’s natural ...

An article published in the journal Brain, Behavior, and Immunity reports the findings of a study by researchers based in Brazil, the United States and South Korea who set out to understand how viral ...

Medically reviewed by David Snyder, PharmD Key Takeaways Live virus vaccines use a weakened virus to help your body fight the real disease.Some people, like those who are very sick or pregnant, should ...

Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. The winter surge of ...

In certain cases, the body’s defense system may even start reacting in an unbalanced way, affecting normal tissues. This is ...

Medications such as nasal decongestants and cough suppressants may help manage symptoms of upper respiratory infections. Most respiratory infections clear up with self-care at home. A respiratory ...