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.

Seven new cases of Legionnaires’ have been reported since Friday in the Legionnaires’ outbreak, which has so far sickened 90 people and killed three. There are currently 17 people hospitalized from Legionnaires’, a severe form of pneumonia, down from more than 20 last week, according to city data.