The World Health Organization( WHO) has designated the new variant of COVID-19, first identified in South Africa, a variant of concern( VOC) and given it the name Omicron....
Preliminary evidence suggests it carries a higher risk of reinfection than other variants.It was initially linked to Gauteng, South Africa's smallest province....
In fact, the earliest sample showing the variant was collected in Botswana on November 11. The WHO said the variant — originally referred to as B.1.1. 529....
综合
每日快报-世界新闻
2021-11-27 00:00:00.0