These days everyone's banging on about friendly bacteria! First identified in Britain in the mid-1980?s, Mad Cow disease or B.S.E. is generally thought to be the work of proteinaceous infectious particles, or prions. These chains are normally twisted like a pretzel but instead congeal into long rods that inhibit brain function.

These 4-inch plush dolls look like the real microbes that can give you grief but are about a million times actual size!