A health worker applies the Sputnik V vaccine against Covid-19 in Bernal, Buenos Aires. Photo: Juan Mabromata / AFPA health worker applies the Sputnik V va... […] Coronavirus, Health, Infographic, Video 3D, Videos Covid-19 vaccines online or in development With several Covid-19 vaccines either being rolled out or under trial, here is a rundown of the various stages of their development 2 years ago
