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.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.