7 News Deadly bird flu strain reaches Sydney 1 hour ago The News Room The deadly H5N1 strain of bird flu has reached Sydney. There was confirmation today that a pair of greater crested terns found at Warriewood on the Northern Beaches have tested positive for the virus. #birdflu #sydney Post navigation Previous Dramatic Nepal rescues, week after deadly floods | ‘Supersized’ El Nino warning from UNNext Hero electrician killed shielding children from gunman | 7NEWS