61.   Mass migrations of people to cities disrupt attempts to control diseases through vaccination.

62.   Officials hope to have a detailed long-term plan for controlling the disease in place by the end of the month.

63.   On Monday, it said no new action is needed to control the disease, no herds need to be slaughtered or carcasses burned.

64.   President Fidel Ramos ordered the health department to take more aggressive steps to control the disease.

65.   Recognizing that the quarantine around the region affected by the killer Ebola virus was a mistake, the government is lifting that effort to control the disease.

66.   Public health officials worry that unless they get an emergency appropriation to deal with West Nile, they will lag in their efforts to control the disease.

67.   Results will be used to create a national plan to control the disease.

68.   Spread by fleas and rodents, the disease is easily controlled by modern medicines if health teams have ready access.

69.   So something appears to be controlling the disease, he said.

70.   The authorities then had to come up with stringent measures to control the disease.