Hong Kong hospitals raised alert levels Sunday as a woman diagnosed with the deadly H7N9 avian flu virus was in a critical condition.
Four people have died of bird flu in Libya in recent days, the health minister of the country's internationally recognised government said on Saturday.
Germany said it would start testing ducks and geese for bird flu prior to slaughter, after two cases of the highly infectious H5N8 strain were detected in a week.
Japan on Tuesday ordered the slaughter of some 4,000 chickens after officials confirmed bird flu at a poultry farm in the southwest of the country.
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The avian influenza outbreak in southwest British Columbia has spread to seven farms, and 155,000 birds have died of the virus or will be euthanized, the Canadian Food Inspection Agency said.
Health authorities in Egypt on Thursday reported the country's eighth death this year from bird flu.
Four poultry farms where an outbreak of avian influenza was discovered in British Columbia are now under quarantine and thousands of their turkeys and chickens will be euthanized, officials said Wednesday.
Egypt reported on Wednesday four new deaths from bird flu, taking to seven the number of people that the H5N1 virus has killed in the country so far in 2014.
Authorities in Canada said Tuesday they put two poultry farms in British Columbia under quarantine after they tested positive for bird flu.
Dutch authorities on Monday ordered the cull of 50,000 poultry after a bird flu outbreak on a nearby farm was confirmed as the highly pathogenic H5N8 strain.
Dutch authorities reported a new outbreak of bird flu Sunday at a poultry farm, but could not say if it was the worrying new strain detected elsewhere in the country.
A worrying new strain of bird flu has been observed for the first time in a wild bird in northern Germany, the agriculture ministry said Saturday.
The Dutch authorities on Saturday ordered the preventative cull of 8,000 ducks amid fears that a bird flu outbreak could spread to the country's poultry heartland.
Switzerland on Friday said it was banning chicken imports from Britain and the Netherlands, as Dutch officials said they detected bird flu on three more farms.