Editor's Note: 

Almost a year after the new coronavirus was declared a global health emergency by the WHO at the end of January 2020, global confirmed cases have topped the 100 million mark, indicating that one person in 70 worldwide has been infected with the coronavirus. How have we fought the pandemic? What role has the WHO played and are the vaccines kindling the light of hope for the globe amid this unprecedented crisis?

vaccine

 

(责任编辑：时尚)