British Prime Minister Boris Johnson said his country reached a “significant milestone” on Sunday as 15 million people across the UK had received the first dose of a CCP virus vaccine. “Today we have reached a significant milestone in the United Kingdom’s national vaccination programme,” he said in a video message posted on Twitter. He said the government has hit its target of offering vaccines to everyone in England in the four priority groups, including frontline medical staff, care home residents and workers, people over 70 years old, and people deemed clinically extremely vulnerable. “We’ve still got a long way to go, and there will undoubtedly be bumps in the road,” he said. “But after all we’ve achieved, I know we can go forward with great confidence.” Britain’s Health Secretary Matt Hancock also hailed the “fantastic news,” stressing in particular the high take-up rate. “Over nine in 10 of all …