Port Blair, Apr. 5: During the RT-PCR test conducted on 227 passengers who arrived here yesterday, no positive case has been detected. During RAT conducted on 22 passengers bound for North & Middle Andaman at Ferrargunj, no positive case has been detected. At Mohanpura Bus Terminus, test was conducted on 21 passengers, no positive case has been detected. At Phoenix Bay Jetty, 31 passengers were tested with RAT, no positive case has been detected. At helipad, 8 passengers were tested with RAT, no positive case has been detected.