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 Peace Prize the final decision has not been made until the last meeting before the official announcement at the beginning of October. The Chairman of the Norwegian Nobel Committee presents the Nobel Peace Prize in the presence of the King of Norway on 10 December each year (the anniversary of Nobel's death). The Peace Prize is the only Nobel Prize not presented in Stockholm. The Nobel laureate receives a diploma, a medal, and a document confirming the prize amount. , the prize was worth 10 million SEK (about US$1.5 million). Since 1990, the Nobel Peace Prize Ceremony is held at Oslo City