US expected to toughen testing requirement for travelers after omicron: Live COVID-19 updates

The United States may toughen testing requirements for travelers as omicron is discovered in more countries. More COVID updates.

     

from USATODAY - News Top Stories https://www.usatoday.com/story/news/health/2021/12/01/covid-omicron-vaccines-testing-requirements/8814830002/