There are three different ways to test for COVID-19: PCR tests, antigen tests and antibody tests. Each method is best for a different stage of COVID-19 infection. Used in sequence, all three methods ...
Two types of COVID-19 tests, the rapid antigen test and the polymerase chain reaction (PCR) test, are available in the United States. The PCR typically relies on lab testing and is still considered ...
Rapid antigen tests, better known as RATs, have become an important tool in Australia's arsenal against COVID-19. While PCR tests are still available — and remain the "gold standard" for testing — ...
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