INTERNATIONAL: Medical workers across China have arrived in Shanghai since Friday to help contain the recent resurgence of COVID-19 cases in the metropolis.

On Sunday, thousands of medics from regions including Tianjin and the provinces of Hubei, Jiangxi and Shandong arrived in the megacity with a population of 25 million by 10 high-speed trains.

"The country has already sent medical teams, which are mainly sent to work at temporary hospitals, from fraternal provinces to aid Shanghai. The first batch of medical workers and sample collectors from Jiangsu, Zhejiang and Anhui provinces have already arrived in Shanghai," Wu Qianyu, an official with the Shanghai Municipal Health Commission, told a press conference on Sunday.

Over 650 medics from Anhui are working with a local medical team at a temporary hospital in Chongming District that offers over 2,700 beds. The hospital was scheduled to receive the first group of 1,300 mild cases and asymptomatic carriers on Sunday night.

According to the press conference, Shanghai had conducted citywide antigen testing on Sunday and would carry out the nucleic acid testing on Monday, aiming at completely eliminating potential risks, cutting off the chain of transmission, curbing the spread of the virus, and achieving dynamic zero-COVID as soon as possible.

Also, on Sunday, Shanghai reported 425 confirmed locally transmitted COVID-19 cases and 8,581 asymptomatic carriers, the local health commission said on Monday.