41.   The disease, which can also affect humans, was first recorded in Kosovo last week.

42.   The disease almost never affects humans, and German officials stressed that transported livestock pose a greater danger of spreading infection.

43.   The disease, which also can affect humans, is believed to have spread to Yugoslavia from Albania and Macedonia, which border Kosovo.

44.   The guinea worm parasite is the largest of the tissue parasites affecting humans.

45.   The highly infectious disease, which can also affect humans, was first recorded in Kosovo last week.

46.   The mealybug is not known to affect humans, but it does take its toll on plants.

47.   The parasite, which does not affect humans, irritates the intestines of chickens and interferes with the absorption of food.

48.   The plasma was collected from a donor who later died of Creutzfeldt-Jakob Disease, a version of bovine spongiform encephalopathy that affects humans.

49.   The thin, round guinea worm is the largest parasite to affect humans.

50.   The virus rarely kills animals and does not affect humans.