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Scientists fear bird flu has ‘mutated making it more deadly and contagious’
Scientists fear bird flu has 'mutated making it more deadly and contagious',A MAN in Chile infected with a bird flu has shown concerning mutations, US health officials have warned. Studies suggest the new mutations could cause the virus to be more deadly and spread more ea…

Scientists fear bird flu has ‘mutated making it more deadly and contagious’

A MAN in Chile infected with a bird flu has shown concerning mutations, US health officials have warned. Studies suggest the new mutations could cause the virus to be more deadly and spread more ea…