71.   The worst it can do to a human, scientists say, is give someone who eats meat from an infected animal a cold sore.

72.   There are still some worries about whether infected animals could slip through.

73.   There is no evidence, however, that the test can identify carcasses of infected animals which have not yet developed symptoms.

74.   These prions, almost impossible to destroy, accumulate in the brains of infected animals and people, destroying cells and leaving spongy holes in the tissue.

75.   Thus, try as they might to avoid the problem, renderers could unknowingly introduce infected animals into animal feed and start an epidemic.

76.   To contain outbreaks of foot-and-mouth disease in recent years, authorities in Britain and Taiwan have been forced to slaughter millions of infected animals.

77.   Unlike mad cow disease, foot-and-mouth disease rarely infects humans, and meat from infected animals is safe to eat.

78.   Typically, it is passed to people by deer ticks that pick it up when they feed on infected animals.

79.   While uncommon in humans, infections can occur from bites or handling of infected animals or contaminated materials.

80.   Palalane said one step to try to stop the disease would be setting up veterinary control posts to prevent infected animals from moving into new areas.