CDC director Dr. Rochelle Walensky defends agency's new Covid isolation guidance.
But the new CDC guidance, which shortens the recommended isolation time from 10 days to five days for people without symptoms, has come under harsh criticism from some health experts who say it was not based on"science" and could cause still infectious asymptomatic people to transmit the virus to others.
He and other health experts have argued that people without symptoms should also be required to get a confirmed negative test to leave isolation. The current guidance only asks asymptomatic people to wear a mask for an additional five days after isolation, leaving it up to the public to assess their own Covid risk.
On Wednesday, Walensky pushed back on the criticism, saying the new guidelines don’t require testing at the end of isolation because PCR tests for Covid can be positive for up to 12 weeks, long after a person is no longer infectious. “We have seen relatively low rates of isolation for all of this pandemic," she said."Some science has demonstrated less than a third of people are isolating when they need to."
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