1.   Tetanus is caused by bacteria which are present in soil.

2.   And even when ulcers are caused by bacteria, doctors say, NSAIDS make things worse by causing ulcers to bleed.

3.   Another possibility is hydrogen sulfide gas in the water, caused by bacteria.

4.   Anthrax is caused by bacteria that typically infect animals.

5.   Anthrax, caused by bacteria found in infected animals, most commonly occurs when the bacterium enters a cut in the skin.

6.   Before Hib vaccination became routine, Hib bacteria often caused serious bacteria infections and meningitis in children.

7.   A. Doctors believe that individual variations in disease resistance may affect anthrax, just as it affects other diseases caused by bacteria.

8.   Both conditions are caused by bacteria that reside in the throat and nasal passages of a small portion of the population.

9.   But the deadly bacterium should cause little fear in Los Angeles, in spite of several contamination threats in the region in the past two weeks.

10.   But the same bacteria cause only minor illnesses in healthy people, and researchers at various institutions have been trying to find out why.