Three people have died and at least 67 people have been diagnosed with Legionnaires’ disease in a cluster that broke out in New York City last week.

Adults who have been in the affected area since late July with flu-like symptoms, fever, cough or difficulty breathing should seek immediate medical attention, health officials say.

A Legionnaires' disease outbreak in New York City has infected 67 people and caused three deaths, the city Department of Health and Mental Hygiene said.