Nanning, capital of South China's Guangxi Zhuang autonomous region, reported one local confirmed case of COVID-19, local health authorities said on Thursday afternoon.

The patient, 36, works for a company spraying disinfectant. He tested positive during a routine screening for disinfection workers on Wednesday and has been sent to a designed hospital.

The patients' close contacts have been identified, and 131 have been placed in quarantine.