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.