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The new coronavirus mutant strain Omicron is attracting worldwide attention, and the WHO has classified it as a “Variant of Concern” (Variant of Concern, VOC). Out of concerns about Omicron, many countries announced travel restrictions on South Africa and other southern African countries. In addition, the stock markets of various countries have also fallen sharply.
The reason why Omicron has received widespread attention is that it has produced at least 50 mutations, of which about 30 mutations occurred in the spike protein (S protein). Virology expert Jin Dongyan told the “Daily Economic News” reporter that more mutations in Omicron do not mean that it is more infectious and pathogenic. Its infectivity and pathogenicity remain to be seen. He also said that Omicron is likely to appear in patients with immunodeficiency, and vaccination should be strengthened for this part of the population to ensure that they produce enough antibodies to prevent them from becoming a breeding ground for the mutation of the new coronavirus.
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