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 effect it hard for a scientist to work on small problems after winning the prize. During a speech at a seminar, Hamming described a scene at the Nobel awards ceremony as follows: The Nobel Prize effect is also described as a consequence of public perception of the Nobel laureate, magnified by the worldwide exposure the winner experiences. One example is for the Nobel laureate to be treated with reverence due to perception that the laureate has authoritative knowledge about any subject outside the field in which he or she won the prize. Nobel Laureate Klaus von Klitzing describes the effect as