Home Risk Management/Safety Record Number of Legionnaires’ Cases in 2018 Risk Lives, Cause Cleanup Headaches Record Number of Legionnaires’ Cases in 2018 Risk Lives, Cause Cleanup Headachesadmin Nov 05, 2019 0 Comments Cases of Legionnaires’ disease reached a record high in 2018 — a more than eight-fold increase since the numbers began to climb nearly two decades ago.