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 Riksbank created the Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel in 1969. Although it is governed by the same rules as the others, many, including members of the Nobel family, criticized this prize for violating Nobel's intent. , the faculty of the University of Chicago had garnered nine Prizes—far more than any other university. This led to claims of bias against alternative or heterodox economics. The 2008 prize went to economist Paul Krugman "for his analysis of trade patterns and location of economic activity". Krugman was a fierce critic of George W. Bush. The award produced