President Biden has declared that to vaccinate the world “we need to go big.” I couldn’t agree more — but that means we need to move faster than we have to date, or even his target of fully ...

These days, everyone is talking about herd immunity. But what actually is it? We are all a part of a larger herd, and when a critical mass of immunity is reached, the contagion slows to a crawl or ...

JOHANNESBURG (Reuters) -The Omicron variant appears able to get around some immunity but vaccines should still offer protection against severe disease, according to the latest data from South Africa ...

Fruits and vegetables are naturally rich in a variety of immunity-supporting nutrients that help the body fight off the bacteria and viruses that cause us to get sick. Here are some of the all-time ...

After dizzily swelling for weeks, COVID-19 cases seem to be leveling off in New York and Chicago. In the greater Boston area, the amount of SARS-CoV-2 found in wastewater is going down as quickly as ...

Over 43 million Americans have reported cases of COVID-19. Many of them likely have some amount of natural immunity, and this kind of immunity can be quite protective, even without vaccination. Why ...

Covid-19 was never just another cold. We knew it was going to stick around and keep changing to try to get the upper hand on our immune systems. But we’ve changed, too. Our B cells and T cells, ...