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 Cela, Günter Grass, Doris Lessing and Mario Vargas Llosa. The America Award in Literature, which does not include a monetary prize, presents itself as an alternative to the Nobel Prize in Literature. To date, Harold Pinter and José Saramago are the only writers to have received both the America Award and the Nobel Prize in Literature. There are also prizes for honouring the lifetime achievement of writers in specific languages, like the Miguel de Cervantes Prize (for Spanish language, established in 1976) and the Camões Prize (for Portuguese language, established in 1989). Nobel laureates who were also awarded the Miguel