New York City officials have discovered a sixth death linked to a Legionnaires’ disease outbreak in Central Harlem, where more than 100 people have been diagnosed with the ailment.

Six people have now died from a Legionnaires’ disease outbreak in New York City’s Central Harlem, and another seven are currently hospitalized with the condition, the city’s health department said.

While the Legionnaires’ disease outbreak in New York City’s Central Harlem has slowed, it hasn’t stopped. Here's what to know about symptoms, how the bacteria spread, and why it's OK to drink the water in affected areas.