原文标题：
U.S. confirms nation’s first case of omicron Covid variant in California
原文连结：
https://t.ly/ybc3
发布时间：
2021/12/2
原文内容：
-The United States has confirmed its first case of the new, heavily mutated
coronavirus variant called omicron.
-The variant, initially known as B.1.1.529, was first detected in South
Africa, the World Health Organization said.
-Scientists will need a few weeks to determine how vaccines and treatments
perform against the new variant.
美国已经确认了其首例名为omicron的新型，严重突变的冠状病毒变体。
世界卫生组织表示，这种最初被称为B.1.1.529的变体首先在南非被发现。
科学家们将需要几周的时间来确定疫苗和治疗方法如何针对新变体。
心得/评论： ※必需填写满20字
仅节录一小段 整段有点长.看到许多人不知道突然在跌啥就贴过来了.
反正又是疫情再起.