FILE PHOTO: The logo for AstraZeneca is seen outside its North America headquarters in Wilmington, Delaware, U.S., March 22, 2021. REUTERS/Rachel Wisniewski/File Photo
FILE PHOTO: The logo for AstraZeneca is seen outside its North America headquarters in Wilmington, Delaware, U.S., March 22, 2021. REUTERS/Rachel Wisniewski/File Photo