Here's how new COVID-19 air travel requirements will affect your next international trip. RELATED: COVID-19: Here’s why the omicron variant is raising concern https://youtu.be/am7yAd3IKO0 The U.S. has updated requirements for international air travel. From testing to mask mandates, here's what you need to know before booking a flight. » Subscribe to USA TODAY: http://bit.ly/1xa3XAh » Watch more on this and other topics from USA TODAY: https://bit.ly/3ECxXyl » USA TODAY delivers current local and national news, sports, entertainment, finance, technology, and more through award-winning journalism, photos, videos and VR.