From 00:00 to 20:00 on March 20, a new local confirmed case was reported in Dongkeng Town. Four asymptomatic local cases were reported, including two in Changping Town, one in Dalang Town and one in Humen Town (positive cases associated with people returning to Dongguan from outside The province). All of them have been sent to designated hospitals for isolation and treatment. All the five positive cases were found in centralized isolation, and environmental nucleic acid sampling and terminal disinfection were conducted at the activity sites involved.