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In a statement, lead author Greta Massetti, PhD, MPH, colead of the Community Interventions and Critical Populations Task Force of the CDC’s COVID-19 Emergency Response team, explained that vaccinations, boosters, and treatments can now help prevent severe illness. Layered interventions like testing, improved ventilation, and high-quality masks can help protect individuals from infection.
“This guidance acknowledges that the pandemic is not over but also helps us move to a point where COVID-19 no longer severely disrupts our daily lives,” Massetti said.
The guidance recommends that both vaccinated and unvaccinated individuals can wear a high-quality mask for 10 days instead of quarantining after exposure to an infected individual and urges testing on day 5. It also notes that screening asymptomatic people without known exposures will no longer be generally recommended.
The update encourages individuals to isolate and test if they have suspected COVID-19 symptoms. Those who test positive should remain in isolation for 5 days while they are most likely to be infectious. After 24 hours without a fever and improvements in all other symptoms, they may leave isolation and wear a high-quality mask around others for 10 days, including at home. Individuals may choose to test starting on day 6 of their infection and discontinue masking after 2 consecutive negative tests 48 hours apart. Individuals with moderate or severe COVID-19 are required to isolate for 10 days, while those with resurgent or worsening symptoms must reenter a 5-day isolation period.