Big Screening. Putuo District, part of Shanghai, is located in the northwestern part of the city center of Shanghai. According to the Putuo District epidemic prevention and control department issued a notice showing that the evening of September 17, 2022 (Saturday) continue to carry out the whole area full of nucleic acid big screening, to ensure that should be examined as much as possible, not a household, not a person. Please actively cooperate with the region's general public friends in the streets, towns and villages to arrange, orderly participation in nucleic acid testing, and strictly maintain the "2-meter line" spacing, standardize the wearing of masks, good personal protection.