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 many publications before a 15 November Reuters story from Stockholm with the announcement that the prize that year was being awarded to William Henry Bragg and William Lawrence Bragg "for their services in the analysis of crystal structure by means of X-rays". There were unsubstantiated rumors at the time that Tesla and Edison had won the prize and that the Nobel committee had changed recipients when Tesla and/or Edison refused the award (a claim also made many years later attributed Tesla). The Nobel Foundation declined to comment on the rumors other than saying, "Any rumor that a person has not