Serologic testing, which only requires a drop of blood to conduct, focuses instead on finding virus antibodies, the presence of which indicates that an individual has had COVID-19 and is now likely immune.
A blood test to determine who has been infected by SARS-CoV-2 is one thing, but a test to find out who has already had it is a whole different kettle of fish.
Because the coronavirus that causes COVID-19 can infect some people with absolutely no symptoms, an unknown number of people who are likely holed up in their homes have already been infected and are therefore immune. As the virus continues to sweep across the country, a test to find out who is immune will be key to re-opening the economy.
More @ The Daily Wire
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