China added more than 13,000 new Covid-19 infections with state media that reported cases infected with new subtypes from the Omicron variant.

The new iteration of viruses, isolated from covid-19-light patients in the city of less than 70 kilometers (43 miles) from Shanghai, evolved from the Omicron branch of the Omicron variant, global time reported, citing data sequencing from local health authorities. The report said subtypes did not match other Coronavirus which caused Covid in China and left to GISAID, where scientists worldwide shared the correnavirus they imagined as a way to monitor mutations.

The case in Dalian City in North China reported on Fridays also did not match the Coronavirus found in the country, the city government said on a Wechat account.

Nearly 12,000 from the national reported case on Saturday was labeled asymptomatic.

Deputy Premier Sun Chunlan arrived at the Shanghai country virus hotspot to oversee prevention efforts, when he ordered officials to reduce the outbreak “as soon as possible,” according to Xinhua. Cases in the financial center exceed 8,000 on Saturday including 7,788 asymptomatic infections. Shanghai will start a new round of bulk testing on Monday, the authorities said.

Sun, who previously went to Jilin to oversee locking steps in the Northeast Province, ordered Shanghai officials to “firmly” take steps to stop the outbreak. All 25 million metropolis residents are currently under several forms of quarantine.