Australia is already dealing with one form of bird flu, and now ecologists are warning that another deadly strain could soon reach our shores. The H7 strain currently present is affecting chickens and egg production. However, the H5N1 virus spreading overseas is causing widespread damage to a variety of wildlife. Experts are raising concerns about Australia's preparedness for the potential arrival of H5N1, warning that it could be catastrophic for some native animals. James Tugwell has this special report.
