He said he'd take the Covid-19 vaccine first, as a role model for the rest of Argentina. A little over two months after receiving the Russian-made Sputnik V, Argentinian President Alberto Fernández has tested positive for the coronavirus.
source https://www.cnn.com/2021/04/04/americas/argentina-alberto-fernndez-covid-19-sputnik-vaccine-intl-latam/index.html