Coronavirus live updates: mainland Chinese stocks plunge almost 9%

This is a live blog. Please check back for updates.

All times below in Beijing time.

China’s Shenzhen component dived 8.69%, and the Shenzhen composite plunged 8.65% in early trading.

As of Monday morning, at least 24 provinces, municipalities and other regions in have told businesses not to resume work before Feb. 10 at the earliest. That’s according to publicly available statements from the governments.

Last year, those parts of China accounted for more than 80% of national GDP, and 90% of exports, according to CNBC calculations of data accessed through Wind Information.

: encouraged companies to have employees work from home until Feb. 10.

Hubei: businesses are not to reopen until at least Feb. 14. However, officials said Friday that Hubei would further extend the holiday to an “appropriate extent,” according to state-owned newspaper People’s Daily.

Tianjin: Businesses and schools are not to reopen until further notice.

Anhui, Chongqing, Fujian, Guangdong, Guangxi, Guizhou, Hebei, Heilongjiang, Henan, Hunan, Inner Mongolia, Jiangsu, Jiangxi, Jilin, Liaoning, Ningxia, Shaanxi, Shandong, Shanghai, Shanxi, Suzhou, Xi’an, Yunnan, Zhejiang: work is to resume no earlier than midnight on Feb. 9.

Investors are bracing for the reopen of mainland Chinese markets at 9:30 a.m. after the extended holiday, with expectations they will take a battering amid the virus outbreak.

The People’s Bank of China, however, announced Sunday that it will inject 1.2 trillion yuan ($173 billion) worth of liquidity into the markets via open market reverse repo operations.

Meanwhile, other Asia markets tumbled at Monday’s open, with Japan, Australia and South Korea all dropping more than 1%.

China’s National Health Commission said there have been an additional 57 deaths and 2,829 new confirmed cases, as of the end of Sunday. That brings the country’s total to 361 deaths and 17,205 confirmed cases, the government said.

The Hubei Provincial Health Committee confirmed 2,103 new cases and an additional 56 deaths in the province through the end of Feb. 2. It said that brings total confirmed cases in the region to 11,177 as the death toll rises to 350 deaths in the province.

Wuhan, China is the capital city of Hubei province and the epicenter of the coronavirus outbreak.

All times below in U.S. eastern standard time.

The ninth U.S. case of coronavirus was confirmed in Santa Clara County on Sunday. It’s the second case in the San Francisco Bay area. The case is in a woman who was recently in Wuhan, China, and visited the U.S. to see family on Jan. 23, according to the County of Santa Clara Public Health Department.

Russian Railways said on Sunday that it would temporarily suspend passenger trains to China from midnight until further notice, including rail services along the Moscow-Beijing route.

The Chinese city of Wuhan has finished building an emergency hospital to treat patients infected with the virus. Huoshenshan Hospital will have 1,400 medical staff from the armed forces starting on Monday and a capacity of 1,000 beds, China’s state news agency Xinhua reported.

For more coverage on the coronavirus, read the overnight blog from CNBC’s U.S. team.

— CNBC’s Evelyn Cheng, Eustance Huang and Emma Newburger contributed to this report.