Security staff check the body temperature of passengers at the security screening checkpoint at Noi Bai International Airport. (Photo: Vietnamnet)

This is part of the efforts to prevent the spread of the COVID-19 pandemic.

The CAAV said that without e-health declaration, passengers will be denied to fly, while airlines which fail to follow the regulation will have to bear legal responsibility.

The CAAV required airlines to instruct their passengers fulfill the health declaration at https://tokhaiyte.vn or through the Vietnam Health Declaration application.