The US has registered more than 1m Covid cases in a single day as the highly transmissible Omicron variant spreads rapidly throughout the country, alarming officials and dashing hopes of a return to normality at the start of 2022.
随着高传染性的Omicron变种在全美迅速传播，美国单日新增病例超过100万例，这令官员们感到震惊，并粉碎了人们对2022年初疫情恢复正常的希望。
您已阅读6%（304字），剩余94%（4970字）包含更多重要信息，订阅以继续探索完整内容，并享受更多专属服务。