Where is Hongkou District generally isolated?

According to relevant information, Hongkou District is generally isolated and sent to temporary centralized reception points. Because it was the end of March, the first temporary centralized admission point was established in Hongkou District, Shanghai. On the afternoon of April 7th, under the concerted efforts and careful treatment of Qi Xin, a medical staff, the first batch of 2 COVID-19 patients in this admission point reached the relevant standards and lifted the centralized isolation. Kouqu used to be a beach on the coast of the East China Sea, with many rivers and tributaries. There are 50 rivers in history, and now there are 15 rivers in Hongkou Port System, including Huangpu River, Wusong River and Hongkou Port, Shajing Port and Yujingpu. Existing Huangpu River Wusong River, Hongkou Port, Shajing Port, Yujingpu, Shihe River, Xietang and Sitang River.