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 ...

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 the world continues to navigate the aftermath and lingering presence of COVID-19, one question remains as relevant as ever: Which COVID-19 test is right for me—diagnostic or antibody? Whether ...

During the COVID-19 pandemic, at-home antigen tests became widely accepted for detecting infection. In a new study, researchers looked into the benefits of using at-home antibody tests to detect ...

COVID-19 certainly didn't take a vacation this summer. Virus levels in the US have been on the rise for weeks, but it's hard to know exactly how widely it's spreading. Federal data suggests that the ...

CHICAGO -- COVID-19 is on the rise again as the world approaches the fourth virus season since the coronavirus arrived on the scene. US Centers for Disease Control and Prevention data show a slight ...

The immune system’s first encounter with a virus or vaccine establishes a “starting template” that shapes its response to new ...