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 Hiroshi Amano and Shuji Nakamura for the blue light-emitting diode, did not recognize the decades of incremental work in developing the LED by other pioneers such as Oleg Losev and Nick Holonyak, and did overlook the actual inventor of the blue LED: Herbert Paul Maruska. The 2010 Nobel Prize in Physics was awarded to Andre Geim and Konstantin Novoselov of the University of Manchester "for groundbreaking experiments regarding the two-dimensional material graphene". Several problems with the factual accuracy of the supporting documents issued by the Nobel committee have been pointed out, including that they seem to wrongly attribute the discovery