The New York Post is reporting that “Hugh Hefner’s iconic bachelor pad is under investigation after more than 80 guests at a conference and party there became sick with a suspected strain of Legionnaires’ disease.”

The attendees of DOMAINfest 2011 capped off their three-day conference at the Playboy Mansion on February 3. According to network KTLA, “Within 48 hours after leaving the mansion, scores of attendees reported coming down with symptoms including fever, respiratory problems and violent headaches…. Four Swedish men who attended the event were diagnosed with Legionellosis or pontiac fever, a milder form of Legionnaires’ caused by bacteria that thrives in warm air-conditioning systems, according to the [Los Angeles] Times.”