Mandatory test for Covid-19 for all arrivals to USA as of December 6

As of December 6, all citizens, regardless of their vaccination status, arriving in the United States by air must submit to the airline a negative NAA test (including PCR) or antigen test performed up to 24 hours before boarding the plane, the Ministry of Foreign Affairs announced.
Exempted from testing are children under 2 years of age, as well as those who have experienced coronavirus in the last 90 days.
Another requirement for arrivals is to fill out a sample form, which is available HERE: https://www.cdc.gov/quarantine/pdf/Combined-Passenger-Attestation-Amended-Testing-Order-12-02-2021-p.pdf as well as to provide proof of completion of vaccination against Covid-19.
Photo: Sofia Airport