In Japan, called the timing of the emergence of a vaccine with life-long protection against COVID – RBC

by time news

“Experiments on mice infected with bird flu <…> demonstrated a high level of antibodies, which was maintained for more than 20 months or throughout almost the entire life of the mouse. All infected and vaccinated mice survived, the unvaccinated died, ”the scientist told the publication.

Experiments on macaques have confirmed the ability of the vaccine to form protection against pneumonia. The researchers also found that the amount of virus in the lungs of vaccinated animals dropped to below a detectable level after seven days after infection.

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According to the scientist, the Japanese pharmaceutical company Nobelpharma has planned the first and second stages of clinical trials of the vaccine in 2023, which will involve 150 to 200 volunteers, both vaccinated with the available vaccines against COVID-19 and those who have recovered.

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“If the clinical trials are successful, then their third phase will begin immediately, with the goal of entering the markets at the earliest in 2024,” said Kohara.

According to him, the vaccine under development may be two-component. It is effective after a single dose, but two doses, given three weeks apart, increase the number of virus-neutralizing antibodies tenfold.

Kohara noted that his vaccination may have fewer side effects, as it is being developed on the basis of a smallpox vaccine that has been known for more than two centuries.

The development of a new vaccine against coronavirus is being carried out in Russia. The head of the Federal Medical and Biological Agency (FMBA), Veronika Skvortsova, announced on December 31 that the vaccine will be named Konvasel, and it can be registered by the end of the first quarter of 2022. This recombinant drug will be produced on the basis of the St. Petersburg Institute of Vaccines and Serums, the manufacturer will be able to supply up to 30 million doses per year.

According to the WHO, at the end of 2022, nearly 282 million people have been infected with the coronavirus worldwide since the beginning of the pandemic, 5.4 million have died.Doctors have administered almost 8.7 billion doses of COVID-19 vaccines.

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