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 ...

Lawmakers worry about the reliability of the tests as states reopen. Democratic lawmakers are questioning the accuracy of a number of coronavirus antibody tests seen as crucial to reopening the ...

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, ...

Since late last year, federal officials have been asking, practically begging people to get booster doses of the COVID-19 vaccine. But more than half of Americans have ignored the request even for a ...

LOS ANGELES (KABC) -- U.S. regulators issued new guidance this week shortening the time that people who received Moderna or Pfizer's COVID-19 vaccine have to wait for a booster, and it's different ...

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 ...

Antibody tests weren't meant to gauge COVID-19 vaccine immunity. Dr. Anthony Fauci said they also wouldn't be the best sign you need a booster.

The omicron variant of COVID-19 has caused a surge in symptoms and positive cases across the United States, and since a few of the symptoms resemble a common cold, one question some are asking is: Did ...

There are three different ways to test for COVID-19: PCR tests, antigen tests and antibody tests. Each method is best for a different stage of COVID-19 infection. Used in sequence, all three methods ...

Medically reviewed by Anita C. Chandrasekaran, MD Key Takeaways An ANA blood test is used to find antinuclear antibodies that can be linked to autoimmune diseases.The test shows a positive result if ...