C.D.C. Study Raises Questions About Agency’s Isolation Guidelines
The New York Times
Many people with Omicron infections may still be contagious beyond five days of isolation, a new report suggests.
More than half of people who took a rapid antigen test five to nine days after first testing positive for the coronavirus or after developing Covid-19 symptoms tested positive on the antigen test, according to a new study from the Centers for Disease Control and Prevention.
The finding raises more concerns about the agency’s revised isolation guidelines, which say that many people with Covid can end their isolation periods after five days, without a negative coronavirus test.
A C.D.C. scientist who was an author of the study said that he did not believe the agency’s isolation guidelines needed to change. But the results suggest that many people with the virus may still be infectious during this period, scientists said.
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