The FDA just approved a breakthrough coronavirus antibody test

The FDA just approved a breakthrough coronavirus antibody test that doesn't just detect antibodies -- it actually measures the amount of neutralizing antibodies that the immune system has produced. The test can be used to measure someone's immunity after a COVID-19 infection or to determine whether the immune response is accurate after vaccination. The COVID-SeroKlir test requires a blood sample and has to be performed in a clinical lab. The test has 98.8% sensitivity and 99.6% specificity. Test...