Sixteen months after it was identified as a likely source of a deadly Legionnaires’ outbreak, Flint, Mich.'s, water supply still hasn’t been tested for the Legionella bacteria, according to an article on the Detroit News website.

Michigan health officials say the Center for Disease Control and Prevention's (CDC) advises against testing the municipal water system, focusing instead on testing buildings that epidemiological studies indicate are associated with the outbreak.

Concerns were raised by the Genesee County Health Department over the water as early as October 2014, six months after Flint left Detroit’s system and began drawing its water from the Flint River.

After an initial study, state health officials eventually concluded that Flint’s McLaren Medical Center was most strongly “associated” with the outbreak. Health officials wouldn’t name hospitals studied in the second survey.

Read the article.