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
Ig Nobel Prize Ig Nobel Prize The Ig Nobel Prize ( ) is a parody of the Nobel Prize awarded every autumn to celebrate ten unusual or trivial achievements in scientific research. Since 1991, the Ig Nobel Prizes have been awarded to "honor achievements that first make people laugh, and then make them think." The name of the award is a pun on the word "ignoble," which means "characterized by baseness, lowness, or meanness," and is satirical social criticism that identifies "absurd" research, although, occasionally, such research has succeeded in yielding useful knowledge. Organized by the scientific humor magazine, the "Annals of Improbable