http://www.sciencemag.org/news/2020/11/russia-s-claim-successful-covid-19-vaccine-doesn-t-pass-smell-test-critics-say

Russia is vaccinating health care workers, including this medic in Tver, with an experimental COVID-19 vaccine even though its efficacy isn’t yet clear to outsiders.

Science’s COVID-19 reporting is supported by the Pulitzer Center and the Heising-Simons Foundation.