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There are dozens of corona mutations that have been confirmed so far. Among them, the World Health Organization selects and classifies dangerous mutations, and if it is expected to further increase the transmission or fatality rate, it is designated as a mutation of interest. Eta and lambda fall into this category, and mu mutations have been recently added.



And when it is confirmed that the transmission power is actually strong and the fatality rate is also increased, it turns into a mutation of concern. Alpha, beta, and delta are among the variants of concern, and the delta variant, which is now sweeping the world, was the variant of interest in May. The Mu mutation, which was first confirmed in Korea, is still a mutation of interest, but we should not be vigilant.



Medical reporter Cho Dong-chan will explain in detail what characteristics it has and how experts see it.



<Reporter> The



Central Defense Countermeasures Headquarters announced that the first Mu mutation was confirmed in Korea.



[Janghuichang / National Institutes of Health National Infectious Diseases Research Institute: In Korea were three cases identified in the case overseas inflows, domestic regional incidence disclaims None



Mu mutation infected three of them in each of last May in Mexico, the United States, Colombia 7 Arrived between the months.



According to the World Health Organization (WHO), the global share of mu mutations is only 0.1%, but it is spread in 39 countries, particularly in Colombia, the country of origin, where the share is 39%.



This is a mu mutation analysis paper by a Colombian research team. The orange-yellow mu mutations surged in two to three months in several cities.



As a result of analysis by domestic virus experts based on this paper, it was found that Mu is a mixture of alpha, which led the third wave, and beta, known as a South African mutation.



The propagation power is estimated to be alpha level, but since it is lower than delta, it was carefully predicted that it would be difficult to become a dominant species in Korea, which is a delta dominant region.



However, it is worrisome that beta variants are characterized by the greatest ability to evade vaccines.



[Ki-Jong Hong / Editor-in-Chief of the Korean Vaccine Society: Among the four mutations alpha, beta, delta, and gamma, the beta mutation had the highest and slightly higher resistance to the vaccine. You might be worried that these characteristics will not appear.] In



a nursing home in Belgium, all seven mutants who died were vaccinated.



The fatality rate can be high even if it infects people with low Mu mutations, so close observation and countermeasures are required by the quarantine authorities.



(Video editing: Choi Eun-jin, VJ: Oh Se-gwan, CG: Park Dong-soo·Lee Jong-jeong)    



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