Contaminated water the Hilton/Hampton Inn Parsippany Hotel likely caused three guests to be infected with Legionnaires’ disease last year, New Jersey health officials said Wednesday. While all three people have recovered, people older than 50 or who have weakened immune systems or other chronic health conditions are at greatest risk, the state Department of Health said in a statement. “The hotel management is taking action to disinfect the building’s water system; however, the risk of developing Legionnaires’ disease among recent, current, and future guests is ongoing,” according to the DOH ad…