Covid-19 Antibody Tests in Demand as People Worry About Immunity

The tests help some people decide which precautions to take to curb the spread of Covid-19, but doctors say it isn’t known what level of antibodies effectively prevents infection or a severe case.

Covid-19 Antibody Tests in Demand as People Worry About Immunity
The tests help some people decide which precautions to take to curb the spread of Covid-19, but doctors say it isn’t known what level of antibodies effectively prevents infection or a severe case.