http://www.sciencemag.org/news/2020/12/wonderful-news-wake-uk-greenlights-pfizers-covid-19-vaccine > The U.K. has bought 40 million doses of the Pfizer-BioNTech vaccine, enough for 20 million people. Health secretary Matt Hancock today announced that the first 800,000 doses will be available next week. > The United Kingdom’s Medicines and Healthcare Products Regulatory Agency (MHRA) announced today that it has granted emergency authorization for the COVID-19 vaccine developed by Pfizer and BioNTech, marking the first such approval outside of Russia and China.