MOSCOW (Reuters) - A Russian trial testing the effectiveness of revaccination with the Sputnik V shot to protect against new mutations of the coronavirus is producing strong results, researchers said on Saturday.
Last month President Vladimir Putin ordered a review by March 15 of Russian-produced vaccines for their effectiveness against new variants spreading in different parts of the world.
“(A) recent study carried out by the Gamaleya Centre in Russia showed that revaccination with Sputnik V vaccine is working very well against new coronavirus mutations, including the UK and South African strains of coronavirus,” said Denis Logunov, a deputy director of the centre, which developed the Sputnik V shot.
Results of the trial are expected to be published soon, but this was the first indication of how the tests are going. No further details were available yet.
So-called viral vector shots - such as Sputnik V and a shot developed by AstraZeneca - use harmless modified viruses as vehicles, or vectors, to carry genetic information that helps the body build immunity against future infections. ...
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