On March 18, the reporter learned from the press conference on the prevention and control of the new crown pneumonia epidemic held in Shanghai that as of 9:00 on March 18, Shanghai had a total of 17,875 close contacts in Shanghai. Controls have been implemented, of which 16,226 nucleic acid test results were negative, and the rest are being tested. A total of 49,140 people in close contact in Shanghai have been investigated, and all of them have been put under control. Among them, 47,755 people have negative nucleic acid test results, and the rest are being tested.
According to epidemiology and risk assessment, Shanghai has screened people in multiple regions. Except for the reported confirmed cases and asymptomatic infections, the results are all negative so far.
(Headquarters reporter Wang Dianjia Yang Jing Cheng Yilin)