Passengers arriving in India from another four Asian countries -- Nepal Indonesia Vietnam and Malaysia -- will undergo medical screening at the airports as part of the efforts to prevent the spread of novel coronavirus the Directorate General of Civil Aviation (DGCA) announced on Sunday. Earlier the DGCA had ordered the screening of passengers arriving from China Hong Kong Japan South Korea Thailand and Singapore. In order to prevent the spread of COVID-19 (Novel Coronavirus 2019) disease in India it has been decided to expand the universal screening of all passengers arriving in flights from Nepal Indonesia Vietnam and Malaysia