Now 80% of UK adults are thought to have coronavirus antibodies, according to Office for National Statistics. The numbers do not include 14.2million people under 18 who are yet to be vaccinated. Sky News’ Thomas Moore ask how close the…

You probably heard the term of herd immunity used in COVID-19 pandemic. What is herd immunity? It means when most of a population is immune to an infectious disease, it provides indirect protection—or herd immunity—to those who are not immune…