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, ...

A guide to coronavirus vaccination rollout and what you need to know about the authorized vaccines. Some 63.8% of Americans have received both doses of the two-shot Pfizer-BioNTech and Moderna drugs ...

Experts are hoping the answer may be found in kids. As we continue to learn more about COVID-19, one question on many people’s minds is: Why do some people get sick and others stay healthy?

Covid-19 spreads very easily through close contact with people who have the virus. When someone with Covid-19 breathes, speaks, coughs or sneezes, they release small droplets containing the virus. You ...

According to the California Department of Public Health, several illnesses — including COVID-19 — are currently circulating statewide. “Many respiratory viruses, including flu, (respiratory syncytial ...