Canada becomes first country to approve Pfizer vaccine for children 12-15

• Officials say vaccine is safe and effective in younger age group
• We are starting to see the light at the end of the tunnel'

Canada has became the first nation in the world to authorise the use of Pfizer's Covid-19 vaccine in children aged 12 to 15, describing the move as a light at the end of the tunnel.

Supriya Sharma, a senior adviser at the Canadian federal health ministry, said on Wednesday that the Pfizer/BioNTech vaccine was safe and effective in the younger age group.