101.   Leishmaniasis, spread by sand flies, causes lesions, disfigurement and death.

102.   Like many other viruses, it spreads by mailing copies of itself to addresses stored in Microsoft e-mail software.

103.   Like many other viruses, this one spreads by mailing copies of itself to addresses stored in Microsoft e-mail software.

104.   Many people still think HIV can spread by mosquito bites or shaking hands.

105.   Mad cow disease, or bovine spongiform encephalopathy, is believed to spread by recycling meat and bone meal from infected animals back into cattle feed.

106.   Mad cow disease, or bovine spongiform encephalopathy, is believed to spread by recycling meat and bones from infected animals back into cattle feed.

107.   Malaria spreads by a protozoan parasite that has three stages in its life cycle.

108.   Miroyedova said there was another danger, disease spread by the flooding of cemeteries.

109.   News of the code spread by word of mouth as long-distance carriers were about to expand their direct-dial service to Cuba.

110.   Outbreaks of plague, malaria and other illnesses spread by rats or insects also could follow the flooding, it warned.