How ‘rebound’ COVID-19 happens



President Joe Biden continued to work virtually Tuesday after another round of positive COVID-19 tests over the weekend. The president’s physician attributes this second isolation period to the anti-viral Paxlovid, calling the medical situation “rebound COVID positivity.”

Paxlovid is the coronavirus treatment doctors may prescribe to a patient considered to be at-risk for severe complications from the virus, and it is administered within a certain window of detecting an infection.

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