The Centers for Disease Control and Prevention on Monday cut the recommended isolation time for asymptomatic Americans infected with the coronavirus from 10 days to five, The Washington Post reports.
The decision was based on research showing that those first five days are when people are the most infectious, the CDC said. The agency also reduced the recommended quarantine time for people who are vaccinated but not boosted to five days after any coronavirus exposure. They also should wear masks for five days after their isolation is over. People who have received booster shots should wear masks for 10 days but don't need to isolate.
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