The US has cut the self-isolation period to five days, while in England it is seven with negative tests
How long is someone with Covid infectious for?
Dr Julian Tang, a professor of respiratory sciences at the University of Leicester, said although the Omicron variant showed some escape from vaccine-induced and past immunity, he would expect the immune response to follow a similar timeline to that in previous variants. Dr Richard Tedder, a member of the Clinical Virology Network, said the shift was a compromise, and was based on the assumption that people with two negative tests are unlikely to transmit coronavirus to contacts.
the mandatory self-isolation period is 14 days unless a PCR test comes back negative or the local health office confirms release.recommended self-isolation period“The change is motivated by science demonstrating that the majority of transmission occurs early in the course of illness, generally in the one to two days prior to onset of symptoms and the two to three days after,” the CDC said.
“It’s just another compromise as we learn to accept and live with this virus,” Tang said. “Different countries will approach this differently based on their local knowledge, studies, experience, and competing resources and priorities.”
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