Beginning January 26, 2021, all air passengers arriving in the U.S. from a foreign country must show a negative COVID-19 test to board their flight. This new rule applies to all passengers 2 years-old or older, including U.S. citizens and permanent residents.  The presidential proclamations restricting travel to nationals of certain foreign countries remain in effect and creates additional challenges. Passengers must complete a viral test (NAAT or antigen) no more than 3 days before their flight departs to the U.S. Passengers must bring their written test results (paper or electronic copy) to the airport and show them to the airline prior to boarding their flight. The test result [...]