Port Blair, May 5: During RAT conducted on 59 passengers bound for North & Middle Andaman at Ferrargunj, no positive case has been detected. At Mohanpura Bus Terminus, test was conducted on 34 passengers, no positive case has been detected. At Phoenix Bay Jetty, 51 passengers were tested with RAT, no positive case has been detected.  At Helipad, 2 passengers were tested with RAT, no positive case has been detected.