Australia's bird flu outbreak has spread to an eighth Victorian farm, with a highly contagious strain of the disease detected at a commercial egg farm in the Meredith area.
Egg farmers are calling on Agriculture Victoria to take further action to halt the spread of bird flu across the state's poultry industry, as fears of an nationwide egg shortage mount.
Even as the United States grapples with an outbreak of H5N1 flu in dairy cattle, the World Health Organisation has announced the first known human infection with a different strain, H5N2, in a person in Mexico.
The father of an 11-year-old girl in Cambodia who died this week after contracting bird flu has tested positive for the virus but has not displayed any major symptoms, health authorities said.
Nebraska agriculture officials say another 1.8 million chickens must be killed after bird flu was found on a farm in the latest sign that the outbreak that has already prompted the slaughter of more than 50 million birds throughout the US continues to spread.
Several outbreaks of severe bird flu in Europe and Asia have been reported in recent days to the World Organisation for Animal Health (OIE), in a sign the virus is spreading quickly again.
An outbreak of highly pathogenic avian influenza has been detected in Victoria's west, with an emergency alert being issued to the Golden Plains Shire.