FILE PHOTO: FILE PHOTO: FILE PHOTO: Test tubes are seen in front of a displayed AstraZeneca logo in this illustration taken, May 21, 2021. REUTERS/Dado Ruvic/Illustration/File Photo/File Photo/File Photo
FILE PHOTO: FILE PHOTO: FILE PHOTO: Test tubes are seen in front of a displayed AstraZeneca logo in this illustration taken, May 21, 2021. REUTERS/Dado Ruvic/Illustration/File Photo/File Photo/File Photo