101.   This allows the birds to contaminate the seed with feces and spread disease.

102.   Those who are infected but vaccinated would have less virus in their blood and be less likely to spread the disease.

103.   What did matter was that this was a relatively inexpensive way to spread maximum terror without having to solve the technical challenges of spreading the disease widely.

104.   When such apparently healthy butterflies are released, they can act as carriers, spreading disease.

105.   When those birds flew to adjoining farms, they could spread the disease through their feces, far ahead of containment efforts, the exercise showed.

106.   Workers comb the waterlogged fields and pick the battered fruits from the plants before they have a chance to decay and spread disease.

107.   Poor hygiene at the hospital may have helped spread the disease.

108.   A mass effort is also needed to clean up the city and bury the war dead, whose bodies otherwise will spread disease.

109.   A lot more cases could result this summer -- the prime Lyme season -- because of a bumper crop of the deer ticks that spread the disease.

110.   African Trypanosomiasis disease is spread by the bite of an infected tsetse fly.