1.   Between uses, wash the baster with warm sudsy water and a small bottle brush to keep any bacteria from growing inside the bulb or tube.

2.   A special mesh keeps the bacteria from flowing out of the individual pools.

3.   But critics say such steps are not being taken soon enough and may still be inadequate to meet the challenge of keeping harmful bacteria out of the food supply.

4.   It has been thought that it was important to keep bacteria out of human cells.

5.   Refrigerate or freeze perishables, prepared foods and leftovers within two hours or sooner to keep harmful bacteria from growing and multiplying.

6.   Saliva keeps bacteria under control.

7.   Sealants work by filling in the cracks, preventing accumulations of food and keeping the bacteria that cause decay from getting to the enamel on the tooth surface.

8.   That, presumably, would keep the bacteria from turning virulent.

9.   The industry supports the current policy, saying that chicken has to be shipped at very low temperatures to keep harmful bacteria from forming.

10.   The bacteria is normally kept at some medical companies for research and development purposes.