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Scientists doubt accuracy of Russian vaccine data against COVID-19

A group of 15 scientists from five countries sent an official letter to the The Lancet yesterday, which exposed doubts about the accuracy of early data on Russia's Sputnik V vaccine against COVID-19, Reuters reported.
Scientists are from five countries. The contents of the letter were not disclosed. However, it shows growing concerns in scientific circles about the safety and efficacy of the Russian vaccine, which was approved for use before trials were completed, BTA reports.

A few days ago, a larger group of scientists, including these 15, signed an open letter to the journal. The Lancet after it published the results of the early trials of Moscow's Gamalee Institute. They pointed out that they had doubts about the data because many participants had the same levels of antibodies.

The Gamalee Institute did not immediately respond to the letter's request for comment. Last week, he dismissed criticism in the letter, originally signed by 26 scientists, who already turned 38. The Institute sent a detailed answer to the questions in the first letter.

The first letter, published on Enrico Bucci's blog from Temple University in Philadelphia, attracted great international support. He was signed by specialists from the United States, Switzerland, Australia, India, Russia, Great Britain, Japan, Germany, Canada. The new official letter is signed by experts in virology, immunology, pharmaceuticals, research ethics, statistical analysis. Most are Italian, but there are also scientists from Sweden, Britain, the US and Japan, Bucci said. He specified that the magazine's editor-in-chief had invited them to elaborate on their arguments and had written to authors about the Russian vaccine study to respond.

Published in “Lancet” data are from the first and second stages of the trials of the Russian vaccine. On 26 August, their third phase began with 46,000 participants.

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