COVID-19 tests used to be able to detect a positive case within the first 48 hours, but many results are now delayed until four days after symptoms appear, according to the LA Times. Elizabeth Hudson, ...

A T-cell test developed by Adaptive Biotechnologies could become the first commercially available test of its kind, and it may be more effective at detecting past COVID-19 infections than antibody ...

Evanston, IL - Is it possible you were infected with a mild form of COVID-19 and didn’t know it? How robust is your body’s immune response to the vaccine, and how will we know whether we’ve reached ...

As mask mandates are lifted and restrictions removed in a step toward normalcy, a test to measure immunity would be a powerful tool to measure individual risk. In 2010, doctors told Ben Sobieck, now ...

"We feel this pressure because we want to help people." Antibody tests, which reveal whether someone has been infected with the novel coronavirus, have been touted as key to reopening the economy and ...

Two new tests have been developed in the Boston area that are designed to predict immunity to COVID-19. MIT has a new blood test that can potentially predict COVID-19 immunity, while Harvard has a ...

Add Yahoo as a preferred source to see more of our stories on Google. As we get into another winter holiday season, COVID is still part of our lives. And although it's hard to predict exactly what ...

STATEN ISLAND, N.Y. — With the terrifying coronavirus (COVID-19) pandemic of 2020 behind us and the world now returned to normal, many people have moved away from vaccination or even testing for the ...

As COVID cases rise over the winter, health experts are finding that it’s taking longer to figure out if someone is infected. When COVID-19 antigen tests — also known as rapid tests — first came out, ...

A new coronavirus study from Estonia involving a pool of 329,496 adults just found that — in the words of one of the researchers — “natural immunity offers stronger and longer-lasting protection ...