People pick up drinks ordered online at a beverage shop in Changsha, central China's Hunan Province, March 21, 2020. Restaurants in Changsha are getting back in business with some offering dine-in service amid epidemic prevention and control measures. (Photo by Chen Sihan/Xinhua)

A man eats at a restaurant in Zhengzhou, central China's Henan Province, March 20, 2020. Restaurants in Zhengzhou began to resume dine-in service amid epidemic prevention and control measures. (Xinhua/Li An)

A staff member checks the body temperature of a child at a restaurant in Zhengzhou, central China's Henan Province, March 20, 2020. Restaurants in Zhengzhou began to resume dine-in service amid epidemic prevention and control measures. (Xinhua/Li An)

Workers prepare food at a restaurant in Zhengzhou, central China's Henan Province, March 20, 2020. Restaurants in Zhengzhou began to resume dine-in service amid epidemic prevention and control measures. (Xinhua/Li An)

Photo taken on March 20, 2020 shows a card illustrating epidemic prevention and control measures at a restaurant in Zhengzhou, central China's Henan Province. Restaurants in Zhengzhou began to resume dine-in service amid epidemic prevention and control measures. (Xinhua/Li An)

A woman eats at a restaurant in Zhengzhou, central China's Henan Province, March 20, 2020. Restaurants in Zhengzhou began to resume dine-in service amid epidemic prevention and control measures. (Xinhua/Li An)

People eat at a restaurant in Changsha, central China's Hunan Province, March 21, 2020. Restaurants in Changsha are getting back in business with some offering dine-in service amid epidemic prevention and control measures. (Photo by Chen Sihan/Xinhua)

People order food at a snack bar in Changsha, central China's Hunan Province, March 21, 2020. Restaurants in Changsha are getting back in business with some offering dine-in service amid epidemic prevention and control measures. (Photo by Chen Sihan/Xinhua)

A staff member checks the body temperature of a customer at a restaurant in Changsha, central China's Hunan Province, March 21, 2020. Restaurants in Changsha are getting back in business with some offering dine-in service amid epidemic prevention and control measures. (Photo by Chen Sihan/Xinhua)