Researchers in South Africa and around the world are conducting studies to better understand many aspects of Omicron and will continue to share the findings of these studies as they become available.
Transmissibility : It is not yet clear whether Omicron is more transmissible (e.g., more easily spread from person to person) compared to other variants, including Delta.
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在受该变异株影响的南非多个地区，检测呈阳性人数增加。
The number of people testing positive has risen in areas of South Africa affected by this variant, but epidemiologic studies are underway to understand if it is because of Omicron or other factors.
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疾病的严重程度 ：目前尚不清楚与德尔塔等其他变异株的感染相比，感染奥密克戎是否会导致更严重疾病。
Severity of disease : It is not yet clear whether infection with Omicron causes more severe disease compared to infections with other variants, including Delta.
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初步数据表明，南非住院率在上升，但这也可能是感染总人数增加，而不是奥密克戎感染造成的。
Preliminary data suggests that there are increasing rates of hospitalization in South Africa, but this may be due to increasing overall numbers of people becoming infected, rather than a result of specific infection with Omicron.
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目前并无信息表明奥密克戎相关症状不同于其他变异株引致的症状。
There is currently no information to suggest that symptoms associated with Omicron are different from those from other variants.
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最初报告的感染病例发生在大学生中，而年轻人往往症状较轻。
Initial reportedinfections were among university students—younger individuals who tend to have more mild disease—but understanding the level of severity of the Omicron variant will take days to several weeks.
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了解奥密克戎变异株的严重程度将需要数日至数周时间。
All variants of COVID-19, including the Delta variant that is dominant worldwide, can cause severe disease or death, in particular for the most vulnerable people, and thus prevention is always key.