New flu virus mutation could see ‘worst season in a decade' - BBC

New flu virus mutation could see ‘worst season in a decade'  BBCCanada could face ‘worst kind’ of flu season as experts warn evolving strain may be mismatch for vaccine  CBCExperts warn of thousands of flu deaths this winter  The IndependentOver 5 million under 65s with a long-term health condition could miss out flu vaccine  GOV.UKKiller flu warning for UK comes after virus mutates to beat immunity  The Mirror