Herd immunity is important because it defines when a whole community is protected. That includes people who haven't caught the disease, people who had the illness and recovered, and people who got a ...

Find out how different vaccines for the coronavirus cause your body to create antibodies that fight the virus.

Flu activity has surged in many parts of the Northern Hemisphere, driven primarily by a newly emerged H3N2 strain known as ...

“Unless you are seriously ill, you don’t need to be tested for the coronavirus.” These were the first words I heard today from the Presidential leadership team as I walked in the front door this ...