December 9, 2021

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Corona Virus The number of infected people mysteriously decreased in Japan: surprising discoveries for scientists

Corona Virus The number of infected people mysteriously decreased in Japan: surprising discoveries for scientists

Research by the National Institute of Genetics indicates that delta variants have found themselves on the verge of their own natural extinction. He writes that this case occurred after many of the mutations were no longer able to make copies of themselves and spread further. Japan Times. Japan is one of the countries that has been on high alert since the beginning of the epidemic. This has been especially true since the beginning of this year, when it was hacked by a highly contagious delta variant. During the fifth wave, Japan recorded 26,000 new cases per day.

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Sharp drop in new cases

However, at the beginning of November, there was unprecedented progress in combating this variant, with fewer than 200 cases in recent weeks, and last Friday was the first day without a death from COVID-19 in the last 15 months. Tokyo recorded only six new cases earlier this week.

Zdroj: SITA / AP Photo / Eugene Hoshiko

Professor Eno’s theory

According to a theory put forward by professor and genetics expert Ituro Inoue, the delta variant simply accumulated a lot of mutations in the nsp14 protein. In practical terms, this means that it seems to be trying to debug and improve, but this has ruined itself. When the delta first appeared, the US Centers for Disease Control and Prevention (CDC) said it was twice as contagious as previous variants and could cause more severe Covid-19 in unvaccinated people. This variant was supposed to have more active genetic diversity, that is, it would be easier to “take over its host than the original tribe that crippled the world in 2020. However, Professor Inoue’s research confirmed that the opposite is true. “We were literally shocked to learn that he was killing himself. The delta variant was already highly contagious in Japan. However, as it created more and more of its mutations, it was no longer able to mutate, as a result of which its evolution process was halted. As there are fewer and fewer new cases, we believe that at some point during such mutations, the opposite process has begun, and thus the natural extinction of the virus.” Inoue explained.

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Corona virus in mysterious circumstances in Japan

Zdroj: Getty Images

Clear evidence of delta variable weakening?

However, some experts agree with another theory that has improved the situation around the coronavirus. They see a drop in new cases in the vaccinated population of nearly 73 percent, as well as compliance with measures, including wearing a protective veil in public. “If the virus was still alive and strong than before, the number of infections would have increased, because in some cases vaccination will not prevent the virus from attacking its host,” he added. Professor Ino said.

Professor Takeshi Orano, a researcher at Shimane University School of Medicine, looked at these findings and leaned toward his colleague’s theory. “Studies have shown that the virus containing the damaged nsp14 protein has a significantly reduced ability to replicate, which may be one factor in the rapid decline in new cases. Japan lifted the state of emergency in early October. It is to explain. But Inoue warns that Japan is not immune to potential new coronavirus strains. “There was a delta variant so strong that other variants were not able to spread in our country. But now there is room for other new variants. Therefore, I think quarantine measures to control immigration are very important for people who come to us from other countries.”

Corona virus in mysterious circumstances in Japan

Zdroj: Getty Images

Professor Inoue’s research could shed light on a similar “disappearance” of the SARS virus in Japan as early as 2003. So far, researchers have found that mutations in the nsp14 protein in the virus are unable to spread further and form copies. However, this is only a hypothesis, as there is no genome data. He concluded that he was too optimistic to believe that SARS-CoV-2 would see a similar decrease in its incidence worldwide.

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