About 400,000 chickens were killed to stem the spread of a deadly strain of bird flu at an egg farm on Thursday, as Australia braces for the looming wave of H5N1.
Authorities on high alert after bird flu detected on WA farm perthnow.com.au - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from perthnow.com.au Daily Mail and Mail on Sunday newspapers.