Aviation agencies are planning to step up the screening of passengers from countries affected by Covid-19 and are assigning a small airport to specifically handle these flights. Wg Cdr Suthirawat Suwanawat, general manager of Bangkok’s Suvarnabhumi airport, said he has raised the issue with Chula Sukmanop, director-general of the Civil Aviation Authority of Thailand (CAAT). According to him, aircraft from …