A second subtype of H5 bird flu, known as D1.1, was detected in dairy cattle and infected one worker in the US state of Nevada. Will it spread further among people?
CSL’s vaccine division is suffering as Americans turn away from flu vaccinations, with a “very severe” influenza season ...
The UK has been declared an Avian Influenza Prevention Zone (AIPZ) - and bird "gatherings" have been banned in England and Wales in response to rising cases of bird flu.