A total of 1,804 passengers have been screened for novel-coronavirus at Amritsar and Mohali airports as-well-as border check posts of Atari and Dera-Baba-Nanak in Punjab, Health and Family Welfare-Minister Balbir Singh Sidhu said. He said no symptomatic or suspected case of coronavirus has been reported out of these passengers. Twenty-three samples will be sent for testing at the National Institute of Virology in Pune.