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Legionnaire Disease
Study results from C.W. Chang and colleagues in the area of legionnaire disease published
February 24th, 2009
According to recent research from Taipei, Taiwan, "To assess chlorine susceptibility of Legionella pneumophila grown from two amoebic hosts, Acanthamoeba castellanii and Hartmannella vermiformis. After being released from amoebae, Leg. pneumophila were chlorinated at 2 and 5 mg l(-1) for 5 min-24 h. Bacterial culturability and cytoplasmic membrane deterioration were quantified by culture assay on BCYE alpha agar and BacLight stains coupled with a fluorescent microscope, respectively." "Chlorination reduced the culturability of Leg. pneumophila by 2.93-4.59 log CFU ml(-1) and damaged cellular membrane by 53.8-99.2%. Moreover, cells released from H. vermiformis exhibited...
Source: TB & Outbreaks Week (2009-02-24)
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