“Sputnik Light will help to prevent the spread of coronavirus through the faster immunization of larger population groups, as well as supporting high immunity levels in those who have already been infected previously,” Alexander Gintsburg, director of the Gamaleya National Research Center of Epidemiology and Microbiology, said in a statement. Russia on Thursday authorized the use of a one-shot coronavirus vaccine called “Sputnik Light,” according to the country’s sovereign wealth fund, a move designed to boost vaccine supplies in countries with surging infection rates. The Russian Direct Investment Fund said…