man died of mad cow disease, cattle options traded on the Chicago Mercantile ... but the method of infection remains unclear. Because of the widespread media attention this disease has received, ...

In 1987, government epidemiologist John Wilesmith was tasked with a secret mission: to find out why cows were suddenly going mad, and how the madness was spreading. He looked for links to vaccines ...

In the late 1990s, there was an outbreak of mad cow disease in humans in Great Britain, which caused the country to suspend beef consumption for several months.

Scientists say more cases of Creutzfeldt-Jakob disease (vCJD) are still to emerge more than three decades after the "mad cow disease" scandal. Richard Knight, a senior neurologist based in ...