All air passengers coming into the U.S. from another country, including U.S. citizens and fully vaccinated people, are required to have a negative COVID-19 test result Connect with NBC 5 Chicago Online Visit nbcchicago.com : https://www.nbcchicago.com/ Facebook: https://www.facebook.com/nbcchicago/ Twitter: https://twitter.com/nbcchicago Instagram: https://www.instagram.com/nbcchicago/