China's Zhengzhou steps up epidemic prevention, control measures
Zhengzhou, the capital of central China's Henan Province, has tightened epidemic prevention and control measures after a recent resurgence of COVID-19 infections.
Zhengzhou designated one area as high-risk and six as medium-risk for COVID-19 from Tuesday.
By 6pm Monday, the city had reported 13 locally-transmitted confirmed COVID-19 cases and 50 asymptomatic carriers.
Zhengzhou launched citywide nucleic acid testing for COVID-19 on Sunday and over 9.8 million people had been sampled as of 6 pm Monday.