The COVID-19 pandemic is over, but the virus that caused it is still here, sending thousands of people to the hospital each week and spinning off new variants with depressing regularity. The virus's ...

Rogue antibodies may be to blame for some of long COVID’s pernicious symptoms. Two new studies suggest that antibodies that attack people’s own tissues might cause ongoing neurological issues that ...

SARS-CoV-2, the pandemic virus that causes COVID-19, has mutated endlessly since it burst on the scene in late 2019. After infecting hundreds of millions of people around the world, it has spawned ...

Even though COVID-19 manifests as a mild and short-lived disease in most people, some suffer extremely severe symptoms; in the worst cases, these patients die due to complications such as respiratory ...

Researchers discover that the COVID-19 virus can trigger the production of 'abzymes' -- antibodies that act like enzymes -- which may explain why long COVID symptoms persist even after the infection ...

A monoclonal antibody appears effective at neutralizing the numerous variants of SARS-CoV-2, as well as related viruses in animals that could pose a threat if they were to begin spreading in people.

Research led by scientists at Emory University in Atlanta found that while tetanus and influenza vaccines prompt the body to produce long-lived plasma cells that generate antibodies, COVID-19 vaccines ...

Two healthcare workers get COVID-19 vaccinations on the same day. Both show strong antibody responses initially, but six months later one stays healthy while the other contracts the virus. A new study ...

Here's how to make sense of all the confusing guidance.

The new 2026-2027 COVID-19 vaccines are available. Experts explain who should get one the shots and why, the best time to get ...

Recently, scientists found that some people who suffered from COVID-19 had auto-antibodies targeting their own type 1 interferons, which are important immune signaling proteins. Now, researchers ...