A staff member works at a warehouse of a pharmaceutical company in Xi'an, northwest China's Shaanxi Province, Dec. 19, 2022. Many pharmaceutical companies in China are working at full capacity to increase the medicine supply as the country continues to optimize COVID-19 epidemic prevention and control measures. (Photo by Zou Jingyi/Xinhua)

 

 

A staff member works at a packaging workshop of a pharmaceutical company in Xi'an, northwest China's Shaanxi Province, Dec. 19, 2022. Many pharmaceutical companies in China are working at full capacity to increase the medicine supply as the country continues to optimize COVID-19 epidemic prevention and control measures. (Photo by Zou Jingyi/Xinhua)

 

 

Staff members work at a packaging workshop of a pharmaceutical company in Xi'an, northwest China's Shaanxi Province, Dec. 19, 2022. Many pharmaceutical companies in China are working at full capacity to increase the medicine supply as the country continues to optimize COVID-19 epidemic prevention and control measures. (Photo by Zou Jingyi/Xinhua)