A Cluster of Cases of Legionellosis Have Occurred in Your

Multiple Choice

A cluster of cases of legionellosis have occurred in your neighborhood. People with the illness have cough, fever, shortness of breath, chest pain and sometimes diarrhea. The illness is caused by the bacterium Legionella pneumophila, a facultative intracellular parasite that survives in certain ameba. The organism has an absolute requirement for L-cysteine.
-L. pneumophila is widespread and is found in various water sources, including hot tubs, water cooling towers, swimming pools, grocery store misters, and shower water. Select the False statement  regarding the organism, given this information.

A) It survives in the presence of chlorine.
B) It is a mesophile.
C) It is an obligate anaerobe.
D) It can survive in water pipes.
E) It is a mesophile AND it can survive the presence of chlorine.