Omicron Covid strain evolved in mice – Chinese study — Analysis

Researchers’ findings have backed the theory that “Omicron may have evolved in a non-human animal species”

Omicron is the focus of an Obion study, which was published in Journal of Biosafety and Biosecurity. “coronavirus slowly accumulated mutations over time in mice”Before the virus, it was “transmitted back to humans by reverse zoonotic.”

Researchers led by Dr. Xu Jianguo from the National Institute for Communicable Diseases Control and Prevention of China discovered that mice are the most common host for communicable diseases. “most likely intermediate host.”Research has shown that “mutations profile”The strain “shows that the virus has adapted to infect the cells of mice.”

Scientists have confirmed that Omicron was created from a strain circulated between 2020 and 2021. However, scientists are still trying to find an explanation as to why Omicron is not present in humans. This raises the possibility that Omicron may have evolved inside an animal.

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It could be a breakthrough. “pose new challenges in the prevention and control of the epidemic,”The possibility of Covid strains being circulating among the animals makes it more difficult to fight the virus.

Researchers proposed possible solutions for the problem of Covid strains that circulate within species other than humans. “surveillance of animals, especially rodents,”Because of their proximity to humans.

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