AdvertisementLethal Pneumonia Outbreak Caused By Low Chlorine In Flint Water02:38Download AudioResumeFebruary 05, 2018Rebecca HersherfacebookEmailScientists say low chlorine levels in Flint's water system during the city's water crisis in 2014 and 2015 led the bacterium Legionella pneumophila to proliferate, causing a deadly outbreak of Legionnaire's disease. (Science Source)