搜尋結果
奥密克戎（英文名：Omicron，编号：B.1.1.529），2019新型冠状病毒变种。最早于2021年11月9日在南非首次检测到。最长潜伏期是8天。2021年11月26日，世界卫生组织将其定义为第五种“关切变异株”，取名希腊字母Omicron（奥密克戎）变异株。11月29日，世卫组织称，新冠病毒奥密克戎变异毒株在全球总体 ...
2021年12月2日 · On December 1, 2021, the first case attributed to B.1.1.529 was reported in the United States in a person who returned from travel to South Africa. A second case was reported on December 2, 2021 in a person with no international travel history who also attended a convention in the days preceding symptom onset.
2022年3月24日 · B.1.1.529 mutations present in the spike gene resulted in three deletions of two, three, and one amino acids, a single insertion of three amino acids, and 30 amino acid substitutions in the spike ectodomain (fig. S2A). As expected from the ~3% variation in the B ...
2022年6月8日 · After its first detection in Southern Africa, the Omicron (B.1.1.529) variant of SARS-CoV-2 was declared by the World Health Organization to be a variant of concern on 25 November 2021 (ref. 1 ...
2022年3月8日 · b Number of highly destabilizing and destabilizing mutations in the S-glycoprotein of B.1.1.529. We have 19 mutations related to Ab binding (both in NTD and RBD region), 13 are highly destabilizing, and six mutations are destabilizing.
The Omicron variant, known as lineage B.1.1.529, was declared a variant of concern by the World Health Organization on 26 November 2021. [205] The variant has a large number of mutations, of which some are concerning. Some evidence shows that this variant ...
2022年1月28日 · 2021年11月24日，南非向世界衛生組織報告發現 Omicron 變異株 (也稱為B.1.1.529)。Omicron 比過去的變異株有更多的單位點變異 (single nucleotide variation; SNV) 和缺失變異 (deletion)。圖一顯示，Omicron 比起過去世界各國流行的主要變異株 1 多了許多新變異點，並演化出新的子型 (sub-lineage) 2。
