• New York City Mayor Bill de Blasio holds up a chart documenting the cases of Legionnaires' disease while speaking to reporters at Lincoln Hospital in the Bronx borough of New York, Tuesday, Aug. 4, 2015. The death toll from an outbreak of Legionnaires' disease has risen from four to seven people, city health officials announced Monday at a public town hall meeting of concerned residents. (AP Photo/Seth Wenig)

    NYC targets cooling systems linked to Legionnaires’ outbreak

    NEW YORK (AP) — Lawmakers are rushing to draft New York’s first regulations for a type of heavy-duty rooftop air conditioning equipment amid suspicions that bacteria-laden mist from these units could be the cause of the deadliest known outbreak of Legionnaires’ disease in the city’s history.