The two doses of Sputnik V vaccine have separate compositions.
In January, the Russian news agency TASS reported that the nasal vaccine against Covid-19 will be in civil circulation and available for Russians in three to four months.
The study demonstrates that Sputnik V neutralises the Omicron variant by inducing robust antibody response associated with high levels of protection.
Among the top quartile of individuals with high RBD-specific IgG antibodies, 100 per cent of those vaccinated with Sputnik V were able to neutralise Omicron variant in comparison to 83.3 per cent of individuals vaccinated with Pfizer. Among all samples, 74.2 per cent of Sputnik V-vaccinated sera were able to neutralise Omicron vs 56.9 per cent for Pfizer-vaccinated.
The global health body is currently reviewing Bharat Biotech's application for an Emergency Use Listing of its COVID-19 vaccine Covaxin.
As part of the technical transfer process, SII has already received cell and vector samples from the Gamaleya Center, which developed the Sputnik V jab.
The Sputnik V vaccine is based on a proven and well-studied platform of human adenoviral vectors, which cause the common cold and have been around for thousands of years. The vaccine is two-shot and studies have shown it to be 97.6 per cent effective against Covid-19.
As many as 20 persons will be administered the Russian-manufacture vaccine on the first day and later the number will be increased, sources said adding that Care Hospital has procured 600 vaccine vials in the first phase.
The Drug Controller General of India (DCGI) on Friday granted Serum Institute of India (SII) the permission to manufacture Russian COVID Vaccine- Sputnik V for examination test and analysis at its licensed facility at Hadapsar, ANI quoted sources as saying.
"The Serum Institute of India (SII) put up an application to the Drugs Controller General of India (DCGI) on Wednesday seeking permission to manufacture COVID-19 vaccine Sputnik V for examination, test and analysis at its licensed Hadapsar facility."
A consignment of three million doses of Russia's COVID-19 vaccine Sputnik V landed at the Rajiv Gandhi International Airport here on Tuesday.
The second consignment of the Sputnik V vaccine landed in Hyderabad on Sunday. A special cargo flight carrying 60,000 doses landed at Rajiv Gandhi International Airport.
Russian COVID19 Vaccine Sputnik-V’s price fixed for Indian market. Dr Reddy’s Laboratories has priced the imported doses of vaccine at an MRP of Rs 948 + 5% GST per dose.
Dr Reddy's Laboratories on Friday announced that the first consignment of imported doses of the Sputnik V vaccine that landed in India on May 1 received regulatory clearance from the Central Drugs Laboratory, Kasauli, on May 13.
Sputnik V production will begin in July and it is estimated that 15.6 crore doses will be manufactured,” said Dr VK Paul, NITI Aayog Member (Health).