coronavirus vaccine will be rolled out if one is approved by the UK's medicines regulator. The Health Secretary said after clean water, "vaccines are the most effective public health intervention ever designed."He told a Downing Street briefing on Friday evening: "Over the past few weeks, we've seen encouraging results from Phase 3 Trials."Today Pfizer and BioNTech has submitted emergency use from the FDA [in the United States] based on data that shows the vaccine is 95 per cent effective with no serious safety concerns."Here in the UK, the first step is for the government formally to ask the independent regulator, the Medicines and Healthcare products Regulatory Agency to assess its suitability."Mr Hancock has said that he has formally.