“The President continues to feel very well,” wrote Dr. Kevin O’Connor. “Given his rebound positivity which we reported last Saturday, we have continued daily monitoring. This morning his SARS-CoV-2 antigen test was negative. strict isolation pending a second negative test, as previously described.”
According to the United States Centers for Disease Control and Prevention, “Individuals who experience a recurrence of COVID-19 symptoms or a new positive viral test after testing negative should restart isolation and self-isolate again for at least 5 days”.
The CDC issued a health alert to doctors on May 24 informing them that symptoms of Covid-19 sometimes reappear, and this may be how the infection manifests in some people, whether they are vaccinated or treated with it. medicines such as Paxlovid. The CDC said most rebound cases involve mild illness and no cases of serious illness have been reported.
Biden is fully vaccinated and has received two boosters. He received his first two doses of the Pfizer/BioNTech Covid-19 vaccine before its inauguration in January 2021, his first booster in September and his second booster in March.
This story has been updated.