Russia okays single-shot Sputnik

INSUBCONTINENT EXCLUSIVE:
arguing that the move could accelerate the process of achieving herd immunity against the coronavirus.Named Sputnik Light, the new version
is identical to the first dose of the two-dose Sputnik V and has yet to complete the advanced testing needed to ensure its safety and
effectiveness in line with established scientific protocols
Russia started human trials of Sputnik Light in January, and the studies are still ongoing, according to official records
Mikhail Murashko said authorising a fourth jab will help speed up the process of forming herd immunity against the virus.