The Chinese mainland on Thursday reported 1,787 locally transmitted COVID-19 cases, the National Health Commission said on Friday.
Of the new local infections, 1,363 were reported in Jilin, 358 in Shanghai, 16 in Heilongjiang, 10 in Zhejiang, and nine in Jiangsu.
The rest of the cases were reported in 13 other provincial-level regions, according to the commission.
Shanghai reported 358 locally transmitted COVID-19 cases, 4,144 local asymptomatic infections, seven imported patients and one imported asymptomatic case on Thursday, said the Shanghai Health Commission on Friday morning.
Of all the local infections, 20 confirmed patients are previously asymptomatic infections. Eight confirmed patients and 3,710 asymptomatic cases were detected during central quarantine, while the rest were found in the screening of high-risk people.