On Dec. 2, the Nebraska Public Health Laboratory identified the Omicron variant as the cause in all six people, who ranged in age from 11 to 48. A study of the group released on Tuesday by the Centers for Disease Control and Prevention suggested that Omicron may have a shorter incubation period than previous variants: about 72 hours.
Omicron潜伏期只有三天,按照中国使领馆要求这名女学生必须提供登机前7天内核酸检测阴性,登机前48小时核酸、抗原检测阴性,上海落地后14天隔离再加7天异地隔离,实际上是第28天才检测“异常”,说明肯定100%是在国内感染的!