CDC cuts isolation time for Americans who test positive from 10 days to 5. Latest COVID-19 updates – USA TODAY Posted on December 27, 2021 by Travel editor CDC cuts isolation time for Americans who test positive from 10 days to 5. Latest COVID-19 updates USA TODAY Post navigation Covid-19 news today: flight cancellations, tests, vaccine, Omicron, travel restrictions… | summary 24/12 – AS EnglishUS Cities With Updated Travel Restrictions Due to Omicron – TravelPulse