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The CDC announced on December 27th that it is updating its quarantine and isolation guidance. For people with COVID-19, the isolation period was reduced from ten days to five days as long as the individual has no symptoms or their symptoms are resolving after five days. Importantly, the revised isolation guidance does not recommend an individual have a negative COVID-19 test before ending their isolation period after day 5.
For people who have been exposed through close contact with someone infected with COVID-19, whether an individual is recommended to quarantine is no longer dependent on vaccination status alone. Rather, whether quarantine is recommended now also depends on whether an individual has received a booster and how long it has been since an individual completed their vaccination series. For people who are unvaccinated or received their second mRNA dose (Pfizer or Moderna) more than 6 months ago or the J&J vaccine more than 2 months ago, and have not received a booster shot, the CDC now recommends quarantine for 5 days, followed by 5 days of masking. For people who have received their booster shot or who have recently completed their primary vaccine series, the CDC does not recommend such individuals quarantine following an exposure, but the CDC does recommend they wear a mask around others for 10 days.
The CDC also recommends that everyone who has been exposed to COVID-19, regardless of vaccination status, be tested on day 5 following the exposure if possible. Finally, everyone who either has COVID-19 or was exposed to someone with COVID-19 should wear a well-fitted mask for a full 10 days.
Employers should review their COVID-19 policies and protocols, communicate any changes to their employees and be prepared to answer employees’ questions. Employers are reminded to consider states and local health authorities which may have different guidelines.