India One-shot Sputnik Light Vaccine Shows 70% Efficacy Against Covid Delta Variant: RDIF The analysis was conducted based on data from 28,000 participants who had received a single dose of Sputnik Light, compared with a control group of 5.6 million individuals who were not vaccinated. Source: Top India News- News18.com Continue Reading Previous Environment Minister Appeals to Centre to Issue Revised Guidelines on Chhath CelebrationsNext Over 28 Crore Covid Vaccine Doses to Be Produced in October, Says Health Minister Mandaviya More Stories India Horoscope Today, November 18, 2021: Check Out Daily Astrological Prediction for Aries, Taurus, Libra, Sagittarius And Other Zodiac Signs India Centre Plans First Dose for All by 1st Week of December through ‘Har Ghar Dastak’ Campaign India Kerala Octogenarian Dies in Hospital 6 Weeks After Fatally Hitting Wife