Recently, the confirmed cases in European and American countries have seen rapid growth again, and many sporadic local-infected cases have been reported in China. To prevent the epidemic from rebounding, Zhongshan Center for Disease Control and Prevention issued an emergency warning that citizens should not go to countries in epidemic situations and medium- or high-risk areas in China unless it is necessary.

Tianjin, Shanghai and Nei Mongol have successively reported local confirmed COVID-19 cases in recent days. Kanhaixuan Community in Tianjin Dongjiang Port has been listed as a high-risk area, while Mingtian Huacheng Community in Zhoupu Town and Xinsheng Community in Zhuqiao Town, Shanghai Pudong New Area have been listed as medium-risk areas. There is 1 high-risk area (involving Tianjin Dongjiang Port) and 8 medium-risk areas (involving Binhai New District in Tianjin, Shanghai Pudong New Area, Yingshang County in Fuyang City in Anhui Province and Manzhouli City in Hulunbeir City in Nei Mongol) as of 9: 00 on November 22.

Zhongshan Center for Disease Control and Prevention warns that citizens should always protect themselves, carry masks and wear masks correctly when taking public transportation and entering crowded and enclosed places, and practice good hygiene such as washing hands frequently, fewer gatherings, and keeping a safe social distance of more than one meter.