On the 12th, at a press conference held by the Joint Defense and Joint Control Mechanism of the State Council, Liu Lifeng, deputy director of the Urban Construction Department of the Ministry of Housing and Urban-Rural Development, introduced that there are 37,000 sanitation workers working all day in Wuhan during peak hours. Many management and law enforcement personnel are also on the front line. At present, there are more than 20,000 sanitation workers working all day in Wuhan.