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 ...
PCR processes are the diagnostic gold standard when it comes to identifying coronavirus infections. Unlike rapid antigen tests, they function even in the case of a low viral load and detect the ...
The newly updated CDC guidelines don't require testing at the end of isolation because PCR tests can stay positive for up to 12 weeks, CDC Director Dr. Rochelle Walensky told "Good Morning America" on ...
You may get a PCR test, which can show a positive result for up to three months after recovery. If you take a rapid antigen ...
The COVID-19 medications Nirmatrelvir-Ritonavir and Molnupiravir show effectiveness against virus replication in at-risk patients. Data from over 290,000 PCR tests in Vienna indicate a rapid reduction ...
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