According to Zha Xinhuanet, China released ten new measures to prevent and control the COVID-19 epidemic from June 5438 to February 2022, and the epidemic was fully liberalized on February 7, 2022. Since then, the epidemic has entered normal management, and there have been no close contacts since then.

Close contacts refer to members who live directly with confirmed or highly suspected cases such as COVID-19, atypical pneumonia and swine flu.