A third death has been reported in the ongoing Legionnaires' outbreak in Harlem.

The outbreak continues to affect residents who work or live in certain zip codes.

According to the NYC Health Department’s update released on Monday, positive cases are up to 70.

Residents who live or work in the areas are urged to be on the lookout for flu-like symptoms such as coughing, fever or chills.

Those at high risk include people 50 or older, cigarette smokers and those who have chronic lung disease and weakened immune systems.

They are encouraged to see a health care provider if they have symptoms.