71.   When an unsuspecting computer user opened the document, a program hidden within the file spread the virus through electronic mail systems.

72.   While not all inmates are infected in prison, authorities say the virus is spread in prison through sex, intravenous drug use and sharing tainted tattoo needles.

73.   Outbreaks usually only last a few weeks since the victims die faster than they are able to spread the virus.

74.   A cut he suffered during an exhibition game had sparked concern that he might spread the virus if injured.

75.   Agriculture officials placed tight restrictions on the transport of animals and initially discouraged people from visiting rural areas, for fear they might spread the virus.

76.   At the Copenhagen Zoo, visitors were barred from petting goats, ponies and other hoofed animals for fear of spreading the virus.

77.   Authorities on Sunday said they had not detected any new suspected cases or new findings on how the deadly virus is spread.

78.   Authorities have also closed public footpaths and canceled horse races and various sporting events, in an attempt to minimize the possibility of humans spreading the virus.

79.   Authorities left some rural roads unplowed after heavy snow fell in Scotland, for fear of spreading the virus.

80.   Brown also ordered livestock fairs and markets closed, and banned the hunting of deer, foxes and hares because of the risk of spreading the virus.