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Russia has announced that it has registered the'official' corona19 vaccine for the first time in the world. However, because it has not undergone a tertiary clinical trial, the United States, Western countries, and the World Health Organization are showing concerns about safety.

Reporter Kim Hye-min on the report.

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President Vladimir Putin said yesterday (11th) local time that "the world's first corona19 vaccine was registered".

[Vladimir Putin/Russian President: This vaccine is very effective and produces a stable antibody and cell-mediated immune response.] He

also said that one of his two daughters has also participated in a vaccine clinical trial and was vaccinated. .

The vaccine registered on this day was named'Sputnik V'after the first satellite launched by the former Soviet Union in 1957.

It is expected to enter mass production soon and begin vaccination for the general public, but it has not yet gone through the third clinical trial.

Typically, the vaccine is officially registered after tertiary clinical trials in thousands to tens of thousands of people.

Because of this, health experts fear that hasty vaccination can have serious side effects.

US Minister of Health and Welfare Alix Aza said of Russia's COVID-19 vaccine that "safety is important, not the first."

[Alix Aza/U.S. Secretary of Health and Human Services: It's not the first vaccine that matters. It is a safe and effective vaccine.]

The World Health Organization also noted that "a rigorous review of safety is necessary," and that "speeding up the process does not mean compromising safety."