Fauci said on CNN's "State of the Union" program that US authorities are mindful of the hardship the travel ban is causing in those countries and are constantly re-evaluating the policy.
* The Omicron variant of the coronavirus has been found in about 15 US states as of Saturday night but the Delta variant remains the majority of COVID-19 cases nationwide, US Centers for Disease Control and Prevention Director Rochelle Walensky told ABC News on Sunday.