Learn more about the common cold, the viruses that cause it, and why it’s so difficult to find a vaccine for it.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Before germs were first spied under a microscope by Robert Koch, a ...

INDIANAPOLIS (WISH) — Adults on average get one or two colds per year, with children getting up to six, and they usually last four to five days. The symptoms are runny nose, dry cough, and sore throat ...