1, Epidemic Control: As the epidemic situation in Putuo District and Jing 'an District has been effectively controlled, there is no large-scale epidemic spread, so they are not classified as high-risk areas.

2. Prevention and control measures: Putuo District and Jing 'an District have taken strict prevention and control measures, including personnel flow control, nucleic acid detection and vaccination, which effectively curbed the spread of the epidemic.

3. Community prevention and control: the community strengthens prevention and control work, effectively manages and monitors key populations, and prevents the spread of the epidemic.