Covid-19: US finally reopening borders after 20 months

The United States, from November 8, will require air passengers to be fully vaccinated and be tested within three days before travel. Airlines will be required to put in place a contact tracing system.

source https://timesofindia.indiatimes.com/world/us/covid-19-us-finally-reopening-borders-after-20-months/articleshow/87576243.cms