Shenzhen takes measure to fight against COVID-19

Residents exercise in a residential area in Futian District of Shenzhen, south China's Guangdong Province, March 16, 2022. Shenzhen, China's major tech hub bordering the country's Hong Kong Special Administrative Region, asked its 17-million-plus residents on Monday to work from home if they can, while the city is carrying out three rounds of mass testing.

Residents are barred from leaving the city, the public transport services are suspended, and businesses, except those providing essential services, have been closed from Monday to March 20. (Photo by Chu Yan/Xinhua)

Staff members pack vegetables to be delivered to households in Futian District of Shenzhen, south China's Guangdong Province, March 17, 2022. Shenzhen, China's major tech hub bordering the country's Hong Kong Special Administrative Region, asked its 17-million-plus residents on Monday to work from home if they can, while the city is carrying out three rounds of mass testing.

Residents are barred from leaving the city, the public transport services are suspended, and businesses, except those providing essential services, have been closed from Monday to March 20. (Photo by Chu Yan/Xinhua)

A resident reads a book in a residential area in Futian District of Shenzhen, south China's Guangdong Province, March 16, 2022. Shenzhen, China's major tech hub bordering the country's Hong Kong Special Administrative Region, asked its 17-million-plus residents on Monday to work from home if they can, while the city is carrying out three rounds of mass testing.

Residents are barred from leaving the city, the public transport services are suspended, and businesses, except those providing essential services, have been closed from Monday to March 20. (Photo by Chu Yan/Xinhua)

A resident works from home in Futian District of Shenzhen, south China's Guangdong Province, March 17, 2022. Shenzhen, China's major tech hub bordering the country's Hong Kong Special Administrative Region, asked its 17-million-plus residents on Monday to work from home if they can, while the city is carrying out three rounds of mass testing.

Residents are barred from leaving the city, the public transport services are suspended, and businesses, except those providing essential services, have been closed from Monday to March 20. (Photo by Chu Yan/Xinhua)

A resident receives nucleic acid test in Futian District of Shenzhen, south China's Guangdong Province, March 17, 2022. Shenzhen, China's major tech hub bordering the country's Hong Kong Special Administrative Region, asked its 17-million-plus residents on Monday to work from home if they can, while the city is carrying out three rounds of mass testing.

Residents are barred from leaving the city, the public transport services are suspended, and businesses, except those providing essential services, have been closed from Monday to March 20. (Photo by Chu Yan/Xinhua)

Staff members check information of residents for nucleic acid test in Futian District of Shenzhen, south China's Guangdong Province, March 17, 2022. Shenzhen, China's major tech hub bordering the country's Hong Kong Special Administrative Region, asked its 17-million-plus residents on Monday to work from home if they can, while the city is carrying out three rounds of mass testing.

Residents are barred from leaving the city, the public transport services are suspended, and businesses, except those providing essential services, have been closed from Monday to March 20. (Photo by Chu Yan/Xinhua)

A resident exercises in a residential area in Futian District of Shenzhen, south China's Guangdong Province, March 17, 2022. Shenzhen, China's major tech hub bordering the country's Hong Kong Special Administrative Region, asked its 17-million-plus residents on Monday to work from home if they can, while the city is carrying out three rounds of mass testing.

Residents are barred from leaving the city, the public transport services are suspended, and businesses, except those providing essential services, have been closed from Monday to March 20. (Photo by Chu Yan/Xinhua)

A staff member checks information of residents for nucleic acid test in Futian District of Shenzhen, south China's Guangdong Province, March 16, 2022. Shenzhen, China's major tech hub bordering the country's Hong Kong Special Administrative Region, asked its 17-million-plus residents on Monday to work from home if they can, while the city is carrying out three rounds of mass testing.

Residents are barred from leaving the city, the public transport services are suspended, and businesses, except those providing essential services, have been closed from Monday to March 20. (Photo by Chu Yan/Xinhua)