SAN FRANCISCO -- There has been a lot of talk about testing for the coronavirus, but you may not entirely understand what the different tests are for. The coronavirus makes some people sick, some ...

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 ...

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 ...

BA.3.2 is a heavily mutated Omicron subvariant first detected in South Africa in 2024 and now confirmed in more than 20 ...

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 ...

BA.3.2, aka "cicada," is a highly mutated new COVID variant detected in the U.S.. Here's where it's spreading and what to ...

A COVID mutation that previously went under the radar, BA.3.2, has been detected in 25 states, said the CDC. Nicknamed ...

A COVID-19 variant was discovered that can hide from immune cells, the CDC reported. Data shows where it is spreading in ...