Headed out of the country for summer vacation? Here's your checklist: Passport ✅ Sunscreen ✅ CDC-approved COVID-19 test you can pack in your carry-on to make re-entry to the U.S. easy ✅ All Americans, regardless of vaccination status, need a negative COVID-19 test result to re-enter the U.S. Order your test before you travel so you don't have to find a testing location abroad: united.emed.com | United