Staff members work at a workshop of a semiconductor company in Shanghai, east China, Feb. 10, 2020. Chinese authorities are carefully balancing efforts to control the novel coronavirus epidemic and minimize its impact on the economy as millions of people head back to work Monday after an extended holiday. (Photos: Xinhua)

People work in a workshop of Harbin Boiler Company Limited in Harbin, northeast China's Heilongjiang Province, Feb. 10, 2020. Chinese authorities are carefully balancing efforts to control the novel coronavirus epidemic and minimize its impact on the economy as millions of people head back to work Monday after an extended holiday.

People work in a workshop of Harbin Boiler Company Limited in Harbin, northeast China's Heilongjiang Province, Feb. 10, 2020. Chinese authorities are carefully balancing efforts to control the novel coronavirus epidemic and minimize its impact on the economy as millions of people head back to work Monday after an extended holiday.

A staff member works at a workshop of Guangzhou Fastprint Circuit Tech Co., Ltd. in Guangzhou, south China's Guangdong Province, Feb. 10, 2020. Chinese authorities are carefully balancing efforts to control the novel coronavirus epidemic and minimize its impact on the economy as millions of people head back to work Monday after an extended holiday.

Workers work at a workshop of a branch of Nanning Sugar Industry Co., Ltd. in Nanning, south China's Guangxi Zhuang Autonomous Region, Feb. 10, 2020. Chinese authorities are carefully balancing efforts to control the novel coronavirus epidemic and minimize its impact on the economy as millions of people head back to work Monday after an extended holiday.

Staff members work at a workshop of Skyworth in Guangzhou, south China's Guangdong Province, Feb. 10, 2020. Chinese authorities are carefully balancing efforts to control the novel coronavirus epidemic and minimize its impact on the economy as millions of people head back to work Monday after an extended holiday.

A staff member works at a workshop of Huapont Pharm in southwest China's Chongqing, Feb. 10, 2020. Chinese authorities are carefully balancing efforts to control the novel coronavirus epidemic and minimize its impact on the economy as millions of people head back to work Monday after an extended holiday.

A worker works at a workshop of a branch of Nanning Sugar Industry Co., Ltd. in Nanning, south China's Guangxi Zhuang Autonomous Region, Feb. 10, 2020. Chinese authorities are carefully balancing efforts to control the novel coronavirus epidemic and minimize its impact on the economy as millions of people head back to work Monday after an extended holiday.

A worker works at Changan Ford transmission plant in southwest China's Chongqing, Feb. 10, 2020. Chinese authorities are carefully balancing efforts to control the novel coronavirus epidemic and minimize its impact on the economy as millions of people head back to work Monday after an extended holiday.

A worker works at Changan Ford transmission plant in southwest China's Chongqing, Feb. 10, 2020. Chinese authorities are carefully balancing efforts to control the novel coronavirus epidemic and minimize its impact on the economy.

A worker transfers instant noodles in southwest China's Chongqing, Feb. 10, 2020. Chinese authorities are carefully balancing efforts to control the novel coronavirus epidemic and minimize its impact on the economy as millions of people head back to work Monday after an extended holiday.