1. Kuru is caused by a slow virus.

2. The link between kuru and cannibalism seemed clear enough.

3. Kuru was spreading like a plague.

4. By 1965 they had shown that kuru was transmissible.

5. Hadlow noticed that the vacuoles in Gajdusek's kuru brains resembled those he'd seen in sheep.

6. The Fore knew kuru as a curse cast by sorcerers.

7. Prions cause a number of fatal diseases such as mad cow disease in cattle, scrapie in sheep and kuru and Creutzfeldt-Jakob disease (CJD) in humans.