Max Theiler health at the Yale School of Medicine and the School of Public Health from 1964 to 1967. After passing the yellow fever virus through laboratory mice, Theiler found that the weakened virus conferred immunity on rhesus macaques. The stage was set for Theiler to develop a vaccine against the disease. Theiler first devised a test for the efficacy of experimental vaccines. In his test, sera from vaccinated human subjects were injected into mice to see if they protected the mice against yellow fever virus. This "mouse protection test" was used with variations as a measure of immunity until after World
Nobel Prize controversies any German to receive any of the Nobel Prizes in the future, and his prize was not allowed to be mentioned in the German press. Gandhi never received the Nobel Peace Prize, although he was nominated five times between 1937 and 1948. In 1948 Gandhi received six letters of nomination and was on the short list for the Peace Prize but he was assassinated on 30 January 1948, two days before the closing date for nominations. The Nobel Committee decided against awarding the prize, saying the laureate could only be awarded posthumously if he/she died after the Committee's decision had