Fingerprinting of the different types begins. American pediatrician Daniel Carleton Gajdusek publicizes a mysterious disease called kuru, meaning tremble, in a tribe in Papua New Guinea. The last U.S. outbreak in mink. Its origins may be fallen livestock. This sets University of Wisconsin veterinarian Richard Marsh on a campaign for the removal of meat and bone meal in U.S. cattle rations.
Epidemiologists discover leaks at feed mills of meat and bone meal.
The mad cow crisis follows. The FDA bans blood donations from people who resided continuously in the United Kingdom for more than six months between 1980 and 1996. It then quarantines a Texas herd exposed to illegal feed.