Thousands of deaths have occurred, and first responders continue to deal with health effects 25 years after a major event. A significant number of people were exposed to harmful conditions in the aftermath. The WTC Health Program estimates that around 400,000 people were affected, facing risks such as toxins, physical injury, and stressful conditions.

Further information on the health effects and the program is available from the source, providing more details on the ongoing impact of the event.