Test positivity for common cold coronaviruses significantly declined following widespread SARS-CoV-2 infection and COVID-19 ...

Medically reviewed by Jane Kim, MD The common cold and diseases like influenza are caused by germs called viruses. These germs are infectious and can stay on surfaces and make you sick if they ...

MacDonald pressed the case for germs as the root cause of the common cold, even though no specific pathogen had yet been identified in 1925. “The common cold, at least some varieties, is ...

Common-cold symptoms tend to be pretty mild and usually resolve on their own after a few days of nuisance. The virus infiltrates the nose and throat, but isn’t able to do much damage and gets ...

The common cold is a contagious respiratory viral illness, passed on from person to person. The most common cold virus is called a rhinovirus and it causes about half of all colds. Advertisement ...

A common cold virus that can land babies in the hospital may hide out in the lungs for weeks or months, perhaps explaining how it spreads easily despite the best hygiene efforts, doctors reported ...

Once a cold virus gets inside you, your immune system, the body's defense against germs, launches a counter-attack. It's this response that brings on the classic symptoms like a cough or stuffed ...

Got a stuffy nose and a cough? If you go to an urgent care or ER, chances are that you may be able find out exactly what type of germ is making you sick, thanks to newer tests that don’t look ...

Common cold symptoms can be caused by many viruses, but the odds you’re fighting a rhinovirus are high: the virus accounts for as much as half of all common colds.

If you’ve ever had a cold sore, the viral infection that caused it may lead to a higher risk of developing Alzheimer's disease down the line. A growing body of evidence suggests that herpes simplex ...