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 in his novel, "Doctor Zhivago"." Pasternak died without ever receiving the prize. He was eventually honored by the Nobel Foundation at a banquet in Stockholm on 9 December 1989, when they presented his medal to his son. The 2010 Nobel Peace Prize was awarded to Liu Xiaobo while he was serving a prison sentence for "subversion of the state", with the Chinese government not allowing him or his family members to attend the ceremony. Two laureates voluntarily declined the Nobel Prize. Jean-Paul Sartre declined the 1964 prize for Literature, stating, "A writer must refuse to allow himself to be transformed