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Omicron (B.1.1.529) is a variant of SARS-CoV-2 first reported to the World Health Organization (WHO) by the Network for Genomics Surveillance in South Africa on 24 November 2021. [10] [11] It was first detected in Botswana and has spread to become the predominant variant in circulation around the world. [12] .
- 24 November 2021; 21 months ago
- Omicron
- B.1.1.529
- South Africa
2021年11月28日 · On 26 November 2021, WHO designated the variant B.1.1.529 a variant of concern, named Omicron, on the advice of WHO’s Technical Advisory Group on Virus Evolution (TAG-VE). This decision was based on the evidence presented to the TAG-VE that Omicron has several mutations that may have an impact on how it behaves, for example, on how easily it ...
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“For omicron, there are very limited data on this,” Bollinger says. “But, so far, the answer appears to be no. We will know more about this in the coming weeks.”
According to Bollinger and Ray, this is the most important question, and with so little data, a lot is still unknown. “My own expectation is that being fully vaccinated, including boosters, will still provide a reduced risk of hospitalization and death,” Bollinger says. “In the weeks ahead, we will learn more about how well the antibodies induced b...
The available commercial diagnostic PCR (polymerase chain reaction) and antigen COVID tests still appear to work to identify the omicron variant. We will know more in the coming weeks about how well the rapid at-home tests perform to detect the new variant.
2021年11月26日 · The B.1.1.529 variant was first reported to WHO from South Africa on 24 November 2021. The epidemiological situation in South Africa has been characterized by three distinct peaks in reported cases, the latest of which was predominantly the Delta variant.
2022年4月28日 · The Omicron variant is the most mutated SARS-CoV-2 variant, and its high transmissibility and immune evasion ability have raised global concerns. Owing to its enhanced transmissibility, Omicron...
- Yao Fan
2021年11月26日 · Omicron [註 1] （ B.1.1.529）是 嚴重急性呼吸綜合症冠狀病毒2型 （SARS-CoV-2）的一種 變異株 。 [14] [15] 它於2021年11月9日首次在 博茨瓦納 被發現 [16] 。 2021年11月24日 南非 正式向 世界衛生組織 （WHO）報告 [17] 。 由於Omicron變異株顯示較強的傳染性及影響宿主免疫應答與疫苗效力的 免疫逃避 （英語：antigenic escape） ，世界衛生組織於2021年11月26日將本變異株列為「 需要關注的變異株 」（VOC）。 研究人員已經確定Omicron變異株存在五種亞型。
2022年6月14日 · What is the Omicron variant? How many versions of Omicron are there? Does Omicron spread faster than other variants? What are the symptoms of Omicron? Does immunity from previous infections...
