Scientists in Japan are developing a COVID-19 vaccine that provides lifelong immunity. It is reported by the Japan Times, adding that clinical trials of Nobelpharma’s drug with volunteers could begin as early as 2023. Among the volunteers there will be both already vaccinated and simply recovered citizens.
It is based on one of the world’s oldest vaccines – the smallpox vaccine, created in Great Britain in the 18th century and used in Japan until 1976.
Experiments have already been carried out on laboratory mice, which have shown that a high level of antibodies is observed in animals and at the end of 20 months, which corresponds to the approximate average life expectancy of these rodents. In this case, all unvaccinated mice died.
“The characteristics of this vaccine have shown that it can promote antibody production and provide lifelong immunity,” said Michinori Kohara, a professor at the University of Tokyo, who is leading the experiment. “One dose lasts more than 20 months, no other vaccine has the same effect.”
According to Professor Kohara, the vaccine created under his leadership has another important advantage – it can be stored dry for a long time.
Source: Rosbalt
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