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Why this flu season could be the worst in a decade
The NHS has issued a "flu jab SOS" - urging everyone who is eligible to get vaccinated.
Experts are warning that the UK could experience its worst flu season for a decade. The NHS has issued a "flu jab SOS" - urging everyone who qualifies for a vaccine to make sure they get one as soon as possible. So why is this year's virus expected to be so bad? Our health and science correspondent James Gallagher has been finding out. (Image: Getty)
