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It comes as medics warned the highly-infectious disease hit the UK earlier than usual this year.
Parents are being urged to get kids, who are medical professionals described as "super spreaders", vaccinated as soon as possible.
"It might be the difference between a Christmas to remember, and one to forget."
Spread joy, not germs
Dr Sarah Jarvis, GP and clinical director of Patient.info, warned of a "Christmas wipeout" as people come together over the festive period increasing the potential to spread germs.