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A Free Way to Tell If You Have COVID-19 Antibodies

Antibody tests can tell you whether you've had the coronavirus and right now you can get one for free. When you donate blood, platelets or plasma, the Red Cross will test your blood for the presence of coronavirus antibodies, which form when the body fights infections such as COVID-19, the disease caused by the coronavirus. Such testing can tell you whether you have had a coronavirus infection in the past — which in turn can indicate that you have potentially developed at least temporary immunity or resistance to the virus.
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