A citizen buys vegetables at a supermarket in Haidian District in Beijing, capital of China, May 13, 2022. Supplies of daily necessities are guaranteed in Beijing while prevention and control measures are taken to curb the latest COVID-19 resurgence. (Xinhua/Ren Chao)

People shop at a market in Chaoyang District in Beijing, capital of China, May 13, 2022. Supplies of daily necessities are guaranteed in Beijing while prevention and control measures are taken to curb the latest COVID-19 resurgence. (Xinhua/Li Xin)

People buy vegetables at a market in Chaoyang District in Beijing, capital of China, May 13, 2022. Supplies of daily necessities are guaranteed in Beijing while prevention and control measures are taken to curb the latest COVID-19 resurgence. (Xinhua/Li Xin)

A staff member arranges vegetables at a supermarket in Haidian District in Beijing, capital of China, May 13, 2022. Supplies of daily necessities are guaranteed in Beijing while prevention and control measures are taken to curb the latest COVID-19 resurgence. (Xinhua/Ren Chao)

People buy meat at a supermarket in Haidian District in Beijing, capital of China, May 13, 2022. Supplies of daily necessities are guaranteed in Beijing while prevention and control measures are taken to curb the latest COVID-19 resurgence. (Xinhua/Ren Chao)

Staff members package vegetables at a supermarket in Haidian District in Beijing, capital of China, May 13, 2022. Supplies of daily necessities are guaranteed in Beijing while prevention and control measures are taken to curb the latest COVID-19 resurgence. (Xinhua/Ren Chao)

People buy vegetables at a market in Chaoyang District in Beijing, capital of China, May 13, 2022. Supplies of daily necessities are guaranteed in Beijing while prevention and control measures are taken to curb the latest COVID-19 resurgence. (Xinhua/Li Xin)