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After thousands of deaths, first responders are still navigating health effects 25 years post-9/11

Published September 11, 2026 · Updated September 11, 2026 · By Betty Rodriguez - tyunews.com

Foto : Betty Rodriguez - tyunews.com

Health Toll of 9/11 Continues to Grow for Responders and Survivors

Tyunews.com – A quarter-century after the attacks of Sept. 11, 2001, the consequences remain deeply personal for many of the people who rushed toward danger, worked in the recovery effort, or lived and worked near the World Trade Center. Thousands have since died from illnesses connected to the toxic conditions that followed the attacks, while many more continue treatment for cancer, respiratory disease, inflammatory disorders and mental health conditions.

More than 9,400 people have died from illnesses linked to 9/11. That figure is more than three times the 2,977 people killed during the attacks in New York, at the Pentagon and in Shanksville, Pennsylvania. Nearly 50,000 cancer diagnoses have been certified through the World Trade Center Health Program.

The scale of the long-term health crisis reflects the extraordinary number of people affected. An estimated 400,000 individuals encountered toxic dust, smoke, debris, dangerous working conditions or intense emotional strain during the attacks and their aftermath. They include firefighters, police officers, construction and cleanup workers, volunteers, residents, students, office employees and others who traveled through lower Manhattan.

A firefighter’s illness emerged years later

Michael O’Connell joined the New York City Fire Department after first working as a police officer. Firefighting had long appealed to him because of its shared sense of purpose and teamwork.

“It was more my speed,” O’Connell said. “It was like camaraderie, team, unity. It’s where I wanted to be.”

He was sworn in as a probationary FDNY firefighter only four months before the attacks. On Sept. 11, 2001, he was sent to lower Manhattan, where the destruction at the World Trade Center had transformed the area into a hazardous recovery zone.

For weeks, O’Connell said he did not return home. His days were divided between his firehouse and ground zero, where he helped fight fires in the wreckage and took part in search-and-rescue work.

In the years that followed, he heard that other firefighters who had worked at the site were being diagnosed with asthma and cancer. He did not immediately experience serious symptoms himself. That changed on New Year’s Day in 2007, when he awoke in intense pain and found his body severely inflamed.

“My body inflamed two times the size of what it was,” O’Connell said. “I didn’t know what was going on ... and I had like bruises and blisters all over my body.”

He was ultimately diagnosed with sarcoidosis, an inflammatory disease that can affect multiple systems in the body, most commonly the lungs, skin and lymph nodes. His doctors believe exposure to toxins at ground zero was connected to his illness.

For people exposed after 9/11, delayed illness has become one of the defining features of the public health emergency. A person may have appeared healthy in the months or even years after the attacks, only to later develop a condition requiring ongoing medical care. That long interval can make the experience especially difficult for families, who may feel that a tragedy from 2001 has never truly ended.

Conditions tied to the aftermath

The World Trade Center Health Program has certified at least 69 cancers as related to 9/11 exposure. These include breast, prostate, skin, head and neck cancers. The program also recognizes a range of airway and digestive illnesses, musculoskeletal conditions and mental health disorders.

Not every affected person wore a uniform. First responders form a major part of the population receiving care, particularly members of the FDNY and NYPD, but the health impact also extends to civilians. People who lived in the neighborhood, attended school nearby, worked in offices or passed through the area during the recovery period can be among those facing 9/11-related illness.

The continuing rise in certified illnesses has changed how the country understands the legacy of the attacks. Sept. 11 is remembered for the violence of a single morning, yet its medical effects have unfolded over decades. The recovery effort placed many people in an environment filled with dust, smoke and debris at a time when the full danger of those exposures was not yet understood.

“9/11 didn’t end on 9/11”

Michael Barasch, managing partner at Barasch & McGarry, has spent years helping responders and survivors seek compensation and health benefits. His work has brought him into contact with families who lost loved ones during the attacks and with many others who suffered losses years later.

“The truth is, 9/11 didn’t end on 9/11,” Barasch said. “I personally lost dozens of clients, mostly firefighters and police officers, on 9/11, but I have lost thousands of clients since.”

That distinction matters for responders and survivors who are still navigating medical evaluations, treatment and benefit claims. Recognition of a condition as connected to 9/11 can affect access to specialized health services and financial support. It can also offer an explanation for people who spent years wondering whether a diagnosis might be related to the time they spent at or near the site.

A police sergeant remembers the first response

Thomas Wilson was an NYPD sergeant on the morning of the attacks. He had been investigating a burglary involving an elderly couple in Brooklyn when reports came over the radio that something had struck the World Trade Center.

Wilson said he told the couple he was heading to the Williamsburg Bridge.

“I said goodbye to that couple, ‘I’ll come see you later on to take that report,’” Wilson said. “Never did see them again.”

At first, Wilson’s role was to close the Manhattan side of the bridge while another officer shut down access from Brooklyn. The assignment quickly changed as people fled Manhattan on foot. Instead of guiding vehicles, officers were securing a crossing that became part of the escape route for thousands seeking safety.

The stories of O’Connell, Wilson and other responders illustrate why the anniversary remains more than a moment of remembrance. For many families, it is also a reminder of unfinished medical struggles, treatments still underway and losses that continue to accumulate long after the towers fell.

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