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 in Literature 1980 Nobel), Octavio Paz (1982 Neustadt, 1990 Nobel), Tomas Tranströmer (1990 Neustadt, 2011 Nobel) were first awarded the Neustadt International Prize for Literature before being awarded the Nobel Prize in Literature. Another award of note is the Spanish Princess of Asturias Award (formerly Prince of Asturias Award) in Letters. During the first years of its existence it was almost exclusively awarded to writers in the Spanish language, but in more recent times writers in other languages have been awarded as well. Writers who have won both the Asturias Award in Letters and the Nobel Prize in Literature include Camilo José