Covid Variant JN.1 Now Accounts for Nearly Half of U.S. Cases Here’s what to know about the coronavirus variant, which was first detected in the United States in September.
We Need a Global Immune System to Stop Future Public Health Crises We should seize the moment right now to build a new set of protections against future public health crises.
How Viral Infections Cause Long-Term Health Problems In a few patients, the immune system becomes misdirected, attacking the body instead of the virus.
Omicron, Now 2 Years Old, Is Not Done With Us Yet The dominant variant of the coronavirus has proved to be not only staggeringly infectious, but an evolutionary marvel.
Feeling Terrible After Your Covid Shot? Then It’s Probably Working. Fever, chills and fatigue may all be signs of vigorous antibody production, a new study finds.