A BIRD flu alert has been issues after two cases were detected in poultry workers in England.
The UK Health Security Agency (UKHSA) said there were no signs of human-to-human transmission.
GettyBird flu has been detected in two poultry workers in England[/caption]
Last month, a man in Chile infected with a bird flu had shown concerning mutations, US health officials warned.
Studies suggest the new mutations could cause the virus to be more deadly and spread more easily.
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