11.   When administered to animals, the altered bacterium survives for about a week.

12.   When they test a new compound, a continuing glow means the bacteria survived while no glow indicates a potential lead.

13.   Cholera bacteria can survive in contaminated water and the local population has been warned not to drink any unboiled water.

14.   Drug-resistant strains of bacteria emerge when a few bacteria survive exposure through mutation, then reproduce and pass on their resistance.