Shanghai epidemic situation 2+5 refers to: 2 days closed-loop management +5 days self-health management. According to the relevant requirements of the state and this Municipality, in order to control the risk of epidemic spread, the management measures of "2-day closed-loop management +5-day self-health management" are adopted for the relevant places and areas involved in close contacts, that is, the buildings where close contacts live, the work units of close contacts, the medical institutions and schools involved in close contacts are closed-loop management for the first 2 days and self-health management for the next 5 days. 1 nucleic acid detection was performed on the day, the second day and the seventh day of closed-loop management respectively.
Asymptomatic infected person 1, China, living in Morocco, departed from Morocco, transited through France, and arrived at Shanghai Pudong International Airport on July 15, 2022. After entering the customs, they were observed in centralized isolation, during which the routine nucleic acid detection was abnormal.