Kozlovskaya L, Pinyaeva A, Kovpak A, Gordeichuk I, Volok V, Ignatiev G (1 April 2021). "«КОВИВАК»: инактивированный, но активный" ["COVIVAC": inactivated but active]. indicator.ru (Interview) (in Russian). Interviewed by Vodovozov A. Retrieved 19 May 2021.