Decrypt hidden message
Can you decrypt hidden message (1234 5612 7 89A4 92 7A4B937)?Correct answers: 19
The first user who solved this task is Donya Sayah30.
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Yellow fever vaccineIn 1932, a vaccine was announced for yellow fever for human immunization. This first public announcement was made at a meeting of the American Societies for Experimental Biology at Philadelphia, Pennsylvania. It was developed by Drs. Wilbur A. Sawyer, Wray D.M. Lloyd, and Stuart F. Kitchen, who were sponsored by the Rockefeller Foundation. |