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Yerin Hong gets a hug from her boyfriend, Soomin Kim, after she arrived on a flight from Germany at O'Hare International Airport on Nov. 8. Photo: Scott Olson/Getty Images

The U.S. reopened its land and air borders Monday for nonessential travel to visitors from over 30 countries who are fully vaccinated against COVID-19.

Why it matters: Government officials and business leaders had decried the economic impact of the travel ban on border communities in Canada and Mexico, which had been in place since March 2020. The restrictions also separated families across the world.

In Photos
Paso del Norte International Bridge at the U.S.-Mexico border reopened to non-citizens on Nov. 8. Photo: Yasin Ozturk/Anadolu Agency via Getty Images
Family members hold signs as they wait for passengers traveling with British Airways from London at John F. Kennedy International Airport (JFK) in New York, on Nov. 8. Photo: Angus Mordant/Bloomberg via Getty Images
A passenger traveling from London is greeted at John F. Kennedy International Airport (JFK) in New York. Photo: Angus Mordant/Bloomberg via Getty Images
Cars line up at San Ysidro crossing at the U.S. southern border in Tijuana, Mexico, on Nov. 7. Under the new rules, foreign travelers must show proof of vaccination and contact details before flying and get a negative COVID-19 test result within three days of travel. Photo: Guillermo Arias/AFP via Getty Images
Performers entertain passengers at London's Heathrow Airport Terminal 3 on Nov. 8, as thousands of U.K. travelers prepare to depart for family reunions, per Sky News. Photo: Steve Parsons/PA Images via Getty Images
A flight to Chicago O'Hare in the U.S. is displayed on a board at the Frankfurt, Germany, airport on Nov. 8. Airlines have "increased the number of transatlantic flights" and are using larger planes to meet demand, AFP notes. Photo: Sebastian Gollnow/picture alliance via Getty Images
Crew members wave to a Lufthansa Airbus A 350-900 prior to a nonstop flight bound for Miami from Munich Airport on Nov. 8. Photo: Alexander Hassenstein/Getty Images
Tourists watch the sunset in Niagara Falls, Ontario, Canada, on Nov. 7. Canada reopened its border to fully vaccinated American citizens and U.S. permanent residents in August. Like in Canada, visitors who qualify for travel to the U.S. don't have to quarantine. Photo: Geoff Robins/AFP via Getty Images
U.S. Homeland Security Border Patrol agents on horseback patrol the area near where the U.S.-Mexico border fence meets the Pacific Ocean in Imperial Beach, California, on Nov. 7. Photo: Frederic J. Brown/AFP via Getty Images

Editor's note: This story has been updated with additional photos.

Go deeper

16 hours ago - Health

Pfizer could have vaccine data for children under five by end of 2021, CEO says

A health care worker administers a dose of the Pfizer-BioNTech COVID vaccine to a child at a Salvation Army vaccination clinic in Philadelphia on Nov. 12. Photo: Hannah Beier/Bloomberg via Getty Images

Pfizer could have data on COVID-19 vaccine efficacy for children under five by the end of the year, CEO Albert Bourla said on Friday in an interview with NBC News.

Why it matters: Omicron has raised concerns that young children are becoming more vulnerable to the virus. Tshwane, the epicenter of South Africa's Omicron outbreak, has seen a high number of hospital admissions for children under two in the last few weeks, though scientists have not confirmed a link to the variant, Reuters reports.

U.S. sounds alarm on Ukraine

Conscripts line up at a Russian railway station yesterday before departing for Army service. Photo: Sergei Malgavko/TASS via Getty Images

The Biden administration is "deeply concerned" by new intelligence — detailed for Axios and other outlets — showing Russia stepping up preparations to invade Ukraine as soon as early 2022.

Why it matters: Most of this was known from public sources and satellite imagery, but the administration is sending a stronger signal by releasing specific details from the intelligence community.

Felix Salmon, author of Capital
2 hours ago - Economy & Business

Philanthropy in the age of crypto

Illustration: Annelise Capossela/Axios

The best charities are increasingly effective. That's the clear message sent by Open Philanthropy, the think tank that doubles as the grant-making vehicle for Facebook co-founder Dustin Moskovitz and his wife Cari Tuna.

Why it matters: With tech and crypto wealth becoming a fast-growing part of the philanthropic pie, there's more of an emphasis than ever on effectiveness — what the newly-divorced Melinda French Gates, in her recent Giving Pledge update, characterizes as giving as "impactfully as possible."