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

As your immunity wanes from previous infection and vaccination, the best way to protect yourself against COVID-19 is to get the new COVID vaccine. There are three currently available — is one better ...

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 ...

Groundbreaking research from the University of Virginia School of Medicine has revealed crucial new insights into the immune systems of COVID-19 survivors, particularly those struggling with ...

A preliminary study found that people receiving immunotherapy for lung cancer or melanoma lived longer if they had received ...

Jose Lazaro, a medical assistant at a University of Washington Medicine clinic, prepares a two-shot dose of AstraZeneca's Evusheld, the first set of antibodies grown in a lab to prevent Covid-19, on ...

HOUSTON, Texas (KTRK) -- A new study suggests memory T cells may protect some people infected with COVID-19 by remembering past human coronavirus infections. The National Institute of Allergy and ...

Immune cells produced during severe COVID-19 infection may shrink tumors. The unexpected mechanism offers a new therapeutic possibility for advanced and treatment-resistant cancers. When you purchase ...

COVID-19 infections are rising again across the U.S. Here's which symptoms to look for and how to protect yourself over the ...