Risk of SARS-CoV-2 infection is minimal for fully vaccinated people. The risk of SARS-CoV-2 transmission from fully vaccinated people to unvaccinated people is also reduced. Therefore, fully vaccinated people can resume activities without wearing a mask or physically distancing, except where required by federal, state, local, tribal, or territorial laws, rules and regulations, including local business and workplace guidance. Fully vaccinated people should also continue to wear a well-fitted mask in correctional facilities and homeless shelters. …
CDC prevention measures continue to apply to all travelers, including those who are vaccinated. All travelers are required to wear a mask on all planes, buses, trains, and other forms of public transportation traveling into, within, or out of the United States and in U.S. transportation hubs such as airports and stations.