Administering reduced dosages to those aged 5-11
Pfizer says it's Covid vaccine is 91% effective at preventing symptomatic infection in children.
The study examined administering the vaccine to children aged 5-11, in reduced dosages.
In the US, regulators are expected to decide on the approval of the vaccine for children, from the age of 5.
While, the European Medicines Agency is due to make a judgement on its usage in children, in the coming months.