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 in Literature publicly available at The Nomination Database for the Nobel Prize in Literature. Currently, only nominations submitted between 1901 and 1968 are available for public viewing. This secrecy has led to speculation about the next Nobel laureate. According to Göran Malmqvist of the Swedish Academy, Chinese writer Shen Congwen was to have been awarded the 1988 Nobel Prize in Literature, had he not suddenly died that year. From 1901 to 1912, the committee, headed by the conservative Carl David af Wirsén, weighed the literary quality of a work against its contribution towards humanity's struggle 'toward the ideal'. Tolstoy, Ibsen, Zola, and