browser Japan, S Korea fliers to be screened for nCoV New Delhi: Aviation regulator DGCA asked airports and airlines on Friday that passengers arriving in flights from Japan and South Korea must be screened once they step out of aerobridges in order to prevent the spread of novel coronavirus infection. Till date, only passengers arriving from four countries u2014 China, Hong Kong, Thailand and Singapore u2014 were being screened at 21 identified airports in India.