All the diagnoses and investigations done on samples of the passengers who were suspected to be carrying H1N1 influenza from abroad have come negative here.
Professor, Respiratory Medicine at Government Chest Hospital Dr Sudhakar told PTI that since Sunday evening no new case was reported while the passenger from Ontario in Canada who volunteered to the Chest Hospital on May 3 was also proved negative and he was discharged from hospital today, he added.
About 3,000 passengers, coming from the US, Latin America and Europe, were screened during the last one week and only four passengers from Mexico, Sanfrancisco, Frankfurt and Ontario found to be affected with some flu and 'isolated them till their tests proved negative at the National Institute of Communicable Diseases at New Delhi.
The Andhra Pradesh Medical and Health Department with the coordination of Hyderabad International Airport Authorities set up a screening team of Doctors at the airport and Chest Hospital and there was not a single case of H1N1 influenza detected.
Dr Sudhakar said, a nodal agency which is looking after these disease is working round the clock in consultation with district collectors and providing necessaary medicines to the needy.