91.   AIDS, the acquired immune deficiency syndrome, is most often spread through sexual contact, sharing contaminated needles and infected blood products.

92.   Both hepatitis and HIV, the virus that causes AIDS, are spread through blood and other bodily fluids.

93.   BSE was spread through cattle feed containing processed parts from diseased animals.

94.   But a sense of urgency is spreading through the Pentagon and the national security community, if not through the halls of Congress.

95.   But a helicopter helped pour water on the flames, and the firefighters succeeded in preventing them from spreading through the densely packed neighborhood around the opera house.

96.   But a toxic chain has spread through nature that is less visible and may be difficult to break down.

97.   But as the winter chill spread through the countryside and the fields covered with frost, the tent city was not finished.

98.   But as word spread through the chamber that the Republican administration had turned against their bill, speaker after speaker rose to denounce what they considered a cowardly betrayal.

99.   But as new technology has spread through banking and hours have declined, banking activity and revenue have risen.

100.   But by waiting as long as he had, he had greatly increased the chance that the cancer would spread through his bloodstream.