1986: Discovery of bovine spongiform encephalopathy (BSE), commonly called mad cow disease, in cattle in Britain.
1988: British government bans cattle feed containing cow parts and begins destroying BSE-infected cattle. (Eventually 3.7 million cattle are killed.)
1990: British agriculture minister appears on television urging his 4-year-old daughter to eat a hamburger, assuring the public that beef is safe.
1993: Canada reports its first case of mad cow disease.
1996: The British government admits BSE-infected beef may transmit mad cow disease to humans in the form of vCJD, or variant Creutzfeldt-Jakob Disease. (The classic form of CJD previously appeared mostly in the elderly.)
1997: The United States and Canada ban cattle feed containing cow parts.
July 2001: The European Union tightens BSE testing; now, one out of four cows is screened.
September 2001: Japan reports its first case of mad cow disease.
October 2001: Japan begins BSE testing on all cattle slaughtered for human consumption.
May 2003: Despite increased safety measures, scientists discover a single new case of mad cow disease in Canada.
Dec. 23, 2003: The United States reports its first case of mad cow disease in Washington state.
Dec. 30, 2003: The USDA announces new regulations on cattle slaughter, including bans on using downer cattle and mechanically separated meat for human consumption.
You may also use the Bill Me option and pay $17.95 for 6 issues.