The Russian Direct Investment Fund (RDIF) has proposed that US drugmaker Pfizer start joint trials with Sputnik Light as a booster COVID-19 vaccine shot, the RDIF said on Wednesday. ...
Russian developers of the Sputnik V vaccine on Thursday said that their single-dose Sputnik Light vaccine demonstrated 79.4 per cent efficacy against the COVID-19 and it has proven effective against all new strains of coronavirus. ...