Sheffield people have been urged to make the most of their free flu vaccination this winter.
Figures show only 21,000 out of 62,000 eligible people had been given their jab at the end of October.
Those under 65 who are registered with a GP and have an underlying health condition such as asthma, heart problems or diabetes can get a vaccine.
Director of public health at Sheffield Council Greg Fell said there was a lag on the publication of figures, and it was likely more people would have taken up their vaccine in the last month.
But he added: “Flu can cause a high temperature, sore throats, achiness and tiredness. But for some people it can be much more serious than this.
“It’s not too late to have your vaccine this winter – last year we had cases as late as April. Please speak to your GP or pharmacy about getting your flu vaccination.”
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