Chinanews.com, August 15th. Hebei Sanhe City Center for Disease Control and Prevention issued an announcement on the WeChat public account on the 15th, stating that on August 13, 2020, Sanhe City Center for Disease Control and Prevention was close to Beijing's new coronary pneumonia cases living in Sanhe City. Contact Yu and his 4 contacts took centralized isolation medical observation measures, and on August 13th and 14th, they conducted two consecutive new coronavirus pneumonia virus nucleic acid tests and one serum antibody test. The test results were all Negative, chest CT examination showed no abnormalities.
Announcement screenshot