He had no symptoms and only learned of the rebound because he was getting tested daily. Four days after completing treatment with Paxlovid, Biden found out he’d rebounded. This is what happened to President Joe Biden, the case that got rebound COVID-19 into news headlines. "These individuals only know they have a case of rebound COVID-19 because of the test result," says Dr. "You’ll need to isolate for five days and wear a mask for 10 if it really is a rebound and not just a drawn-out recovery."Ĭomplicating the picture, some patients who suddenly test positive again don’t have any symptoms at all. "If you suspect you’re rebounding, talk to your doctor," says Dr. If you have been feeling much better for several days and haven’t had a fever for 48 hours or more, a reemergence of symptoms is probably a rebound. If you are recovering from COVID-19, pay attention to how things are progressing. It’s not always easy to tell the difference between a true rebound and simply a very slow improvement in symptoms. Gandhi, who stresses that there’s not enough evidence to be sure and that more research is needed before doctors have answers about the causes of rebound COVID-19. "We know that a second course of treatment, or a longer duration, is sometimes necessary for other illnesses," says Dr. That theory is based in part on what scientists know about other viruses. A second round of Paxlovid, or taking it for more than five days, may resolve the issue. Those remaining traces may cause viral levels to climb back up days after treatment stops. The treatment consists of three different drugs, and if the patient doesn’t get a high enough dose of nirmatrelvir-the part of Paxlovid that targets COVID-19 enzymes-pockets of SARS-CoV-2 may survive. Gandhi.Īnother explanation is that for some patients, Paxlovid may simply need to be taken for longer than five days. "One theory is that the virus stopped multiplying when the patient took Paxlovid, but briefly surged after the treatment was finished, leading to a reappearance of symptoms," says Dr. Researchers also think it’s unlikely that SARS-CoV-2 has become resistant to the drug. Early research conducted in London suggests that a runny nose, headache, fatigue, sneezing, and a sore throat are the most common symptoms.It’s not because the treated patients have a weak immune response or that Paxlovid didn’t work, Dr. Omicron is still new, and the Centers for Disease Control and Prevention says it is still working with partners to gather data on the variant’s characteristics. New cases are up 83% over two weeks. And chains such as CVS and Walgreens are selling out of in-home tests as consumers scramble to detect the virus before holiday gatherings. on Sunday, according to the New York Times COVID database. There were 189,714 new reported cases in the U.S. A mere two weeks after the first Omicron case was identified at the beginning of this month, positive COVID cases are at their highest levels since late summer. That’s certainly playing out in the test results. While it’s taken around four or five days for coughs, headaches, and fevers to manifest when infected with previous COVID strains, it looks as if the incubation timetable for Omicron is even more abbreviated.ĭata is still limited on COVID’s latest variant, which was first detected in Botswana and South Africa in mid-November, but a recent study in Norway indicates a median three-day window between exposure to the Omicron variant and symptoms-meaning that Omicron is able to spread more quickly.
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