Medical staff guides a man to receive a dose of inhalable COVID-19 vaccine at a vaccination site in Haidian District of Beijing, capital of China, Dec. 21, 2022. Over ten inhalable COVID-19 vaccine sites have been set up recently in Haidian District of Beijing. As the epidemic continues to rage, China has steadily promoted booster inoculation for the public by providing an increasing number of vaccine types to ensure people's health and safety. (Xinhua/Ren Chao)

 

 

A medical staff prepares inhalable COVID-19 vaccine doses at a vaccination site in Haidian District of Beijing, capital of China, Dec. 21, 2022. Over ten inhalable COVID-19 vaccine sites have been set up recently in Haidian District of Beijing. As the epidemic continues to rage, China has steadily promoted booster inoculation for the public by providing an increasing number of vaccine types to ensure people's health and safety. (Xinhua/Ren Chao)