Pfizer vaccine 'safe and 100% effective' in children as young as 12

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The Pfizer-BioNTech COVID-19 vaccine is safe and 100% effective in children as young as 12, its manufacturers have said.

The two firms have carried out vaccine trials in the US on 12 to 15-year-olds, which they say were successful.

A spokesperson said they will ask the US regulator to approve emergency authorisation of the jab on school pupils next week and hope to roll it out when the new academic year starts in the autumn.

Currently Pfizer jabs are only rolled out to over-16s in the US.

In a study of 2,260 US volunteers, preliminary data showed there were no cases of COVID-19 among fully vaccinated adolescents compared to 18 among those given a placebo.