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 military junta, which decided not to allow her to attend the awarded ceremony. In 2017 her Nobel prize became a matter of controversy after United Nations' report which said Myanmar’s military carried out an act of genocide against Rohingya Muslims, an ethnic minority in Myanmar. Suu Kyi has repeatedly refused to speak out against violence committed by the military against the Rohingya and her silence over the mass killings has been likened by researchers to “legitimising genocide”. The 1990 prize went to Mikhail Gorbachev "for his leading role in the peace process which today characterizes important parts of the international