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Why is my PCR test still positive if I’ve taken Paxlovid, isolated and have been asymptomatic for many days?

Testing and Contact Tracing

Constance from Astoria, NY asks: “I tested positive for COVID-19, took Paxlovid, and isolated for 12 days. My symptoms are gone. Why does my PCR test show I’m positive?” Great question, Constance! PCR tests are very sensitive, picking up even old fragments of viral RNA that may be leftover in your body but not capable