anneg
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Two articles about how long people with Covid may be infectious, based on recent research. The second article discusses rebound symptoms/infectiousness after taking Paxlovid (antiviral).
New data suggests the CDC’s COVID guidance to isolate for 5 days after testing positive is wrong. You should follow Joe Biden’s example instead
Five days. That’s how long you should isolate after testing positive for COVID before going back to normal life (while wearing a mask in public for five more days), according to the U.S. Centers for Disease Control. The CDC’s five-day quarantine policy for COVID cases is not law, but families, human resource departments, schools, and other institutions across the country depend on its advice for deciding how to return to normal life after a COVID infection.
Scientists have questioned the scientific rationale behind the five-day quarantine policy since the CDC introduced it last December. And now, critics of the policy have more data to back up their claims.
In two new preprints, scientists found that people infected with COVID-19 remained infectious after five days. One from the Massachusetts General Hospital in Boston showed that one-quarter of COVID patients may still be infectious eight days after first testing positive....
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How long is COVID infectious? What scientists know so far
When the US Centers for Disease Control and Prevention (CDC) halved its recommended isolation time for people with COVID-19 to five days back in December, it said that the change was motivated by science. Specifically, the CDC said that most SARS-CoV-2 transmission occurs early in the course of the illness, in the one to two days before the onset of symptoms and for two to three days after.
Many scientists disputed that decision then and they continue to do so. Such dissent is bolstered by a series of studies confirming that many people with COVID-19 remain infectious well into the second week after they first experience symptoms. Reductions in the length of the recommended isolation period — now common around the world — are driven by politics, they say, rather than any reassuring new data.
“The facts of how long people are infectious for have not really changed,” says Amy Barczak, an infectious-disease specialist at Massachusetts General Hospital in Boston. “There is not data to support five days or anything shorter than ten days [of isolation].” Barczak’s own research, published on the medRxiv preprint server, suggests that one-quarter of people who have caught the Omicron variant of SARS-CoV-2 could still be infectious after eight days1. ...
(more at link, including links to the two studies)
New data suggests the CDC’s COVID guidance to isolate for 5 days after testing positive is wrong. You should follow Joe Biden’s example instead
Five days. That’s how long you should isolate after testing positive for COVID before going back to normal life (while wearing a mask in public for five more days), according to the U.S. Centers for Disease Control. The CDC’s five-day quarantine policy for COVID cases is not law, but families, human resource departments, schools, and other institutions across the country depend on its advice for deciding how to return to normal life after a COVID infection.
Scientists have questioned the scientific rationale behind the five-day quarantine policy since the CDC introduced it last December. And now, critics of the policy have more data to back up their claims.
In two new preprints, scientists found that people infected with COVID-19 remained infectious after five days. One from the Massachusetts General Hospital in Boston showed that one-quarter of COVID patients may still be infectious eight days after first testing positive....
-------------------------
How long is COVID infectious? What scientists know so far
When the US Centers for Disease Control and Prevention (CDC) halved its recommended isolation time for people with COVID-19 to five days back in December, it said that the change was motivated by science. Specifically, the CDC said that most SARS-CoV-2 transmission occurs early in the course of the illness, in the one to two days before the onset of symptoms and for two to three days after.
Many scientists disputed that decision then and they continue to do so. Such dissent is bolstered by a series of studies confirming that many people with COVID-19 remain infectious well into the second week after they first experience symptoms. Reductions in the length of the recommended isolation period — now common around the world — are driven by politics, they say, rather than any reassuring new data.
“The facts of how long people are infectious for have not really changed,” says Amy Barczak, an infectious-disease specialist at Massachusetts General Hospital in Boston. “There is not data to support five days or anything shorter than ten days [of isolation].” Barczak’s own research, published on the medRxiv preprint server, suggests that one-quarter of people who have caught the Omicron variant of SARS-CoV-2 could still be infectious after eight days1. ...
(more at link, including links to the two studies)
That's the only thing that effected me. I did fall right to sleep last night - which is unusual - as my brain keeps going when my head hits the pillow! LOL!
