An antibody test is a blood test which could find out if you are at higher risk of having a heart attack - SPMEMORY/ISTOCKPHOTO A simple blood test for antibodies showing which people are most at risk ...

The FDA has issued emergency authorizations to 12 antibody tests for the virus. As federal officials gradually begin reopening the country, expanded testing is central to the conversation. Until now, ...

The experts agree — the pandemic is not over. Infections are ticking up again, fueled by new variants our immune systems are ill prepared for. That’s according to a study which found that the ...

The CDC is warning against using commercial tests to determine immunity. A Centers for Disease Control and Prevention panel once again reminded consumers this week not to use commercial antibody tests ...

Experts can't agree on whether to use COVID-19 antibody tests to check whether people need a booster shot. The FDA said on May 19 that antibody tests shouldn't be used to test for COVID-19 immunity.

As the world continues to learn how to live with Covid-19 in the long run, scientists are testing ways to quickly tell people how well-protected they are against the virus, and whether they need ...

Medically reviewed by Renita White, MD A non-reactive HIV test result usually means you don't have HIV. Retesting may be necessary because of inaccurate results during the window period. HIV antibody ...