With new cases of COVID-19 skyrocketing, many people are facing the same situation: A family member or friend tests positive or was exposed to someone who did, and the holiday gathering, visit, or return to work is just days or hours away. Now what?
/webmd/consumer_assets/site_images/article_thumbnails/video/1800x1200_krames_activating_health_how_mrna_vaccine_works_video.jpgThose who test positive also need to tell their close contacts they are positive, says Amesh Adalja, MD, a senior scholar at the Johns Hopkins Center for Health Security.
-CoV-2 transmission occurs early in the course of the illness, generally in the 1-2 days prior to onset of symptoms and the 2-3 days after.""If they are vaccinated and boosted, the guidance says there is no need to quarantine," Adalja says. But the CDC guidance does recommend these people wear a well-fitting mask at all times when around others for 10 days after exposure.
On a practical level, Adalja says he thinks those who are vaccinated but not boosted could also skip the quarantine and wear a mask for 10 days. Offit agrees. Because many people exposed have trouble quarantining, Offit advises those exposed who can't follow that guidance to be sure to wear a mask for 10 days when indoors. The CDC guidance also offers that as another strategy -- that if a 5-day quarantine is not feasible, the exposed person should wear a mask for 10 days when around others.
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