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Sputnik Light vs. Sputnik V

2021-07-14 09:24:39

Russia recently rolled out the single-dose Sputnik Light COVID-19 vaccine  for wide circulation. However, some global health authorities argue that more tests are necessary to confirm its reliability.

The original vaccine, Sputnik V, which Russia’s Gamaleya Research Institute of Epidemiology and Microbiology developed, consists of two different adenoviruses that require delivery by two separate vaccinations.

that “using the same adenovirus for the two doses could lead to the body developing an immune response against the vector and destroying it when the second dose is administered.” Using two different vectors is one way to reduce the chance of this natural bodily response.

This newer vaccine consists of just the first dose of Sputnik V. The fact that the company produced the first component in significantly larger quantities than the second prompted the decision to approve and circulate the scaled-down version of Sputnik V.

 

At present, there are no reportsTrusted Source of the rare blood-clotting side effects that people have reported in connection with the Oxford-AstraZeneca and Johnson & Johnson COVID-19 vaccines.

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