The makers of Sputnik V Covid-19 vaccine have said that they will soon offer a booster shot to other vaccine manufacturers. This booster shot will be "adjusted to work against the Delta variant of coronavirus, first detected in India", said the makers of the Russian Covid-19 vaccine.
The Russian Direct Investment Fund has claimed that the Sputnik V vaccine is more effective against the Delta variant of coronavirus than any other vaccine.
The Delta variant of Covid-19 has been identified as one of the major drivers of the second wave of infections in India in May of this year. As per the World Health Organisation (WHO), the Delta variant had spread to 74 countries as of June 14.