1. US Department of the Treasury. Treasury prohibits transactions with Central Bank of Russia and imposes sanctions on key sources of Russia’s wealth. 28 Feb 2022. https://home.treasury.gov/news/press-releases/jy0612
2. Sputnik V. RDIF statement. 28 Feb 2022. https://sputnikvaccine.com/newsroom/pressreleases/rdif-statement-28/
3. Russian Direct Investment Fund. Kazakhstan becomes the first country outside Russia to authorize Sputnik M vaccine for adolescents. 22 Feb 2022. https://sputnikvaccine.com/newsroom/pressreleases/kazakhstan-becomes-the-first-country-outside-russia-to-authorize-sputnik-m-vaccine-for-adolescents-/
4. Covid-19: What do we know about Sputnik V and other Russian vaccines?
5. Safety and immunogenicity of an rAd26 and rAd5 vector-based heterologous prime-boost COVID-19 vaccine in two formulations: two open, non-randomised phase 1/2 studies from Russia