Britain is ready to roll out tens of millions of COVID-19 vaccines to the public with care-home residents and the elderly first in line for a jab that medics hope will allow the world to return to some semblance of normality.News that a vaccine from Pfizer and BioNTech was more than 90% effective raised hopes that there may soon be an end to the lockdowns that have cast gloom across the world by shedding millions of jobs and upending normal life.England's Deputy Chief Medical Officer Jonathan Van-Tam said the country was ready to roll out a vaccine once regulators approved it as safe, quipping that he had told his 78-year-old mother to be ready for a jab."Do I think we will then move at pace to keep up with the volumes that are supplied to.