Cheryl Mills, a Colchester resident with a serious heart condition, had been in Hartford Hospital for five days when she died on the bathroom floor of her room in March 2020. For four days, the ...

Antibodies and immunity The Food and Drug Administration has yet to approve a test that can determine whether someone has immunity to the virus, which is known as SARS-CoV-2. The FDA has given ...

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 ...

As SARS-CoV-2 continues to evolve, knowing your immunity status—both from vaccines and from infections—will become increasingly important. COVID-19 antibodies are the best proxy for disease immunity.