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 ...

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, ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. an iHealth COVID-19 antigen rapid test kit The federal government may destroy its remaining supply of COVID-19 tests. The US ...

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 ...

Separate courts have rejected two new attempts to undermine immunity protections granted elected officials or skilled nursing providers during the COVID-19 pandemic.

Statewide blood testing for COVID-19 has found that only 2% of Virginians had antibodies to the virus as of mid-August. The result has prompted the researchers to conclude that herd immunity in ...