Photo shows two second-generation vaccines against coronavirus variants developed by China's Sinopharm at 2021 China International Fair for Trade in Services (CIFTIS), Beijing, Sept. 6, 2021. (Photo: China News Service/Jia Tianyong)
Photo shows two second-generation vaccines against coronavirus variants developed by China's Sinopharm at 2021 China International Fair for Trade in Services (CIFTIS), Beijing, Sept. 6, 2021. (Photo: China News Service/Jia Tianyong)
Photo shows a second-generation vaccine against coronavirus variants developed by China's Sinopharm at 2021 China International Fair for Trade in Services (CIFTIS), Beijing, Sept. 6, 2021. (Photo: China News Service/Jia Tianyong)
Photo shows a second-generation vaccine against coronavirus variants developed by China's Sinopharm at 2021 China International Fair for Trade in Services (CIFTIS), Beijing, Sept. 6, 2021. (Photo: China News Service/Jia Tianyong)