Slovak Response to COVID-19, Travel Restrictions to The United States of America, and Consular Services at Embassy Bratislava   COVID-19 Information   Last updated: October 6, 2022   The CDC’s Order requiring proof of vaccination for non-U.S. citizen nonimmigrants to travel to the United States is still in effect.  For more information see Requirement for Proof of COVID-19 Vaccination for Air Passengers .  COVID-19 …