Yellow fever vaccine Foundation to improve the vaccine from the "Asibi" strain, discovered that a favorable chance mutation in the attenuated virus had produced a highly efficacious strain that was named 17D. After field trials in Brazil, over one million people were vaccinated by 1939, without severe complications. For his work on the yellow fever vaccine, Theiler received the 1951 Nobel Prize in Physiology or Medicine. Only the 17D vaccine remains in use today. The outbreak of yellow fever in Angola in January 2016 has raised concerns about whether the global supply of vaccine is adequate to meet the need during a large
Nobel Prize controversies been given a Nobel Prize because he has made known his intention to refuse the reward is ridiculous", further stating a recipient could only decline a Nobel Prize after he is announced a winner. Otto Heinrich Warburg, a German national who won the 1931 Nobel Prize in Physiology and Medicine, was rumored to have been selected for the 1944 prize but forbidden to accept it. According to the Nobel Foundation, this story is not true. Multiple primary fields of human intellectual endeavor—such as mathematics, philosophy and social studies—were not included among the Nobel Prizes, because they were not part of