A new Omicron subvariant is spreading in the United States, and has accounted for nearly 10 percent of new weekly COVID-19 cases reported across the country, according to data updated Friday by the US Centers for Disease Control and Prevention (CDC).

根据美国疾病控制和预防中心(CDC)周五更新的数据，一种新的Omicron亚变体正在美国传播，并占美国每周新报告的COVID-19病例的近10%。

The subvariant XBB.1.16, referred to as "arcturus", has been added by the CDC to its variant tracker. The percentage is expected to increase in the coming weeks, and it may become the next dominant coronavirus strain in the country, experts warned.

亚变体XBB.1.16，被命名为“大角星(Arcturus)”，已被CDC添加到其变体跟踪器中。专家警告说，预计未来几周这一比例将会增加，它可能成为该国下一个主要的冠状病毒株。

The highly transmissible Omicron subvariant XBB.1.5 remains the dominant strain in the United States and accounted for about 73.6 percent of new COVID-19 cases this week, CDC data showed.

CDC的数据显示，高传染性的Omicron亚变体XBB.1.5仍然是美国的主要毒株，占本周COVID-19病例的73.6%。

The World Health Organization is monitoring XBB.1.16, which is contributing to a recent surge of COVID-19 cases in India.

世界卫生组织正在监测XBB.1.16病毒，它也是导致印度最近COVID-19病例激增的原因之一。