Biden tests positive for COVID-19, returns to isolation

White House physician Dr Kevin O’Connor said in a letter that Biden “has not experienced a re-emergence of symptoms, and is feeling quite well”.

According to guidelines from the Centers for Disease Control and Prevention, Biden will re-enter isolation for at least five full days. The agency says most rebound cases remain mild and no serious illness has been reported during that period.

Word of Biden’s positive test came — he had turned negative on Friday morning — to highlight the passage of a bill by the White House to boost domestic high-tech manufacturing following Tuesday’s announcement of a presidential visit to Michigan. Exactly two hours after. Biden was also scheduled to visit his home in Wilmington, Delaware on Sunday morning, where First Lady Jill Biden is staying while the president is positive. Both trips have been canceled as Biden returns to isolation.

Biden, 79, was treated with the anti-viral drug Paxlovid, and tested negative for the virus on Tuesday and Wednesday. Then he was allowed to leave the isolation wearing a mask inside the house. His positive test placed him among the minority of those prescribed the drug to experience a rebound case of the virus.

Both the Food and Drug Administration and Pfizer report that 1% to 2% of people in Pfizer’s original study on paxlovid saw their virus levels relapse after 10 days. According to the FDA, the rate was roughly the same in people taking the drug or dummy pills, “so it is unclear at this point whether this drug is related to treatment.”

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While Biden tested negative, he returned to the White House to attend indoor events and meetings with staff in person and was wearing a mask in accordance with CDC guidelines. But the president removed his mask indoors while making remarks on Thursday and during a meeting with the CEO on the White House complex.

When asked why Biden was violating CDC protocol, Press Secretary Karine Jean-Pierre said, “He was socially distancing. They were far away. So we made it safe for them to be together, to be on that stage.” Regulators are still studying the prevalence and virulence of rebound cases, but the CDC warned doctors in May that it was reported to occur within two days to eight days after initially testing negative for the virus. .

“The limited information currently available from case reports suggests that individuals treated with Paxlovid who experienced a COVID-19 relapse had mild illness; There are no reports of serious illness,” the agency said at the time.

When Biden was initially released from isolation on Wednesday, O’Connor said the president would “increase his testing cadence” to catch any possible rebound of the virus.

Patients should be re-isolated for at least 5 days. According to CDC guidance, if the fever has resolved within 24 hours (without the use of fever-reducing medication) and symptoms are improving, they may end their re-isolation period after a full 5 days. Huh. The patient should wear a mask for a total of 10 days after the onset of rebound symptoms. Paxlovid has been proven to reduce serious illness and death in people most vulnerable to COVID-19. US health officials are encouraging people who test positive to consult with their doctors or pharmacists to see if they should be prescribed treatment despite the rebound risk.

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After receiving two doses of the Pfizer coronavirus vaccine shortly before taking office, the first booster shot in September and an additional dose on March 30, Biden has been fully vaccinated.

While patients recovering from chronic forms of COVID-19 have a high level of immunity to future re-infection for 90 days, Jha said the BA.5 subvariant that infects Biden is more “immune”. -harassment” has been proved.

“We’ve seen many people get reinfected within 90 days,” he said, adding that officials don’t yet have data on how long people who recover from the ba.5 strain can take. : Provides protection against infection.