New city data suggests the outbreak of Legionnaires’ disease in Central Harlem may be waning, although city health officials say it’s too soon to say definitively whether it has passed its peak. “We’re trending downwards and happy to see that trend,

The source of the illness has not been conclusively identified more than a week after people began getting sick.

Three people have died, and 83 cases of Legionnaires’ disease have been reported in Central Harlem since July 25.