51.   In populous countries like India and China, even a low infection rate translates into a huge number of people who need care and can spread the disease.

52.   In fact, those diseases can be spread this way.

53.   It is only after the rash appears that a patient can spread the disease.

54.   Lyman said the now-discontinued practice of feeding animal byproducts to cattle helped spread the disease among animal species and eventually to humans.

55.   LOS ANGELES - They squeal through the kitchen, patter about the walls, leave droppings in the pantry and spread disease throughout the house.

56.   Many parents fear that the rodents will spread disease, or that children will trip in a burrow and break their bones.

57.   Migrants infected in the United States have spread the disease back in some rural Mexican communities.

58.   Medical investigators have since concluded that the disease is spread by contact with the feces or urine of an affected rodent.

59.   No one knows its origin, but the virus appears in aquaculture salmon pens, where closely packed fish can easily spread disease.

60.   Not only are there ticks in Georgia known to spread the disease, he said, there are other ticks that have not been researched.