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NIH Record - National Institutes of Health

Stop the Spread

New CDC Guidance Adopted for Isolation and Quarantine

NIH has adopted the recently updated CDC guidance for isolation and quarantine periods to respond to the resurgence of Covid-19 cases. 

The new guidance states that people with Covid-19 should isolate for 5 days and if they are asymptomatic or their symptoms are resolving (without fever for 24 hours), follow with 5 days of wearing a mask when around others to minimize the risk of infecting people they encounter. NIH includes additional safety measures to account for the unique work environment here. The full policy is explained in detail at

Read more about CDC’s new guidance at

For all Covid related safety questions, refer to the NIH Safety Guidance and Covid-19 Safety Plan ( The plan will be updated promptly to include this information. 

For any questions on the latest isolation and quarantine guidance, email or call (301) 480-8990.

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