A normal, healthy woman becomes host to a pork tapeworm that is burrowing into her brain and disabling her motor abilities. A handsome man contracts Chicken Pox and ends up looking like the victim of a third degree burn. A vigorous young athlete is bitten by an insect and becomes a target for flesh-eating strep. Even the most innocuous everyday activities such as eating a salad for lunch, getting bitten by an insect, and swimming in the sea bring...