'Sobering but not unexpected' suspected H5 bird flu case explained Australian Broadcasting Corporation Mainland Australia’s first suspected case of deadly H5N1 investigated after seabird tests positive for bird flu The Guardian Australian Antarctic Program scientists finalise H5 bird flu findings from Heard Island and McDonald Island voyages Australian Antarctic Program Deadly bird flu strain suspected to have reached Australia SMH.com.au Thousands of baby seals died on two remote sub-Antarctic islands. Scientists now think they know why CNN