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 to LIGO, which led to the detection of gravitational waves. Despite the contributions of the upwards of a thousand scientists and engineers in LIGO, the Nobel Committee continued its tradition of only awarding the prize to three physicists. All three winners commented saying that the prize belongs to the entire LIGO Collaboration (LSC). Thorne said "It is unfortunate that, due to the statutes of the Nobel Foundation, the prize has to go to no more than three people, when our marvelous discovery is the work of more than a thousand." The 2014 Nobel Prize in Physics, awarded to Isamu Akasaki,