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11.40pm BST

11.38pm BST

Chile's public health regulator has approved using the Pfizer/BioNTech vaccine for teenagers as the country races to hit its target of herd immunity by July.

The vaccine has already been rolled out in Chile for people aged 17 and above since emergency approval was granted in December and will now be offered to children aged 12 to 16, the ISP regulator said.

The ISP said its decision followed similar authorization granted by the US Food and Drug Administration and the European Medicines Agency.

The ISP's director, Heriberto Garcia, said the decision would help Chile hit its goal of herd immunity with 80% of the target population vaccinated by July.