# Long-term health impacts of September 11 attacks > Live situation record from CLSTR: https://clstr.news/situations/long-term-health-impacts-of-september-11-attacks > Updated: 2026-09-10T16:36:36.000Z. Sources: 24. Developments: 3. Nearly 25 years after the September 11 attacks, the health consequences for survivors and first responders continue to escalate. Data from the World Trade Center Health Program indicates that certified cancer cases have reached 57,044, a significant increase from 3,204 cases recorded in 2015. Total individuals suffering from 9/11-related illnesses have surpassed 97,000. These conditions encompass various cancers, acute respiratory issues, digestive illnesses, and mental health needs. At Northwell Health, 30% of the 5,000 patients enrolled in the program are diagnosed with more than one cancer. Previously, the September 11th Victim Compensation Fund (VCF) had processed more than 112,000 claims, with 77,000 accepted. Deaths attributed to 9/11-related illnesses have exceeded 6,000, surpassing the initial death toll of the attacks. As of 2026, the health crisis shows a continued sharp rise in complications. The WTC Health Registry reports approximately 96,000 certified ailments, including cancer, sleep apnea, COPD, and PTSD. The increase in cancer diagnoses related to 9/11 toxins represents a 1,680% rise compared to 2015 levels. Specific mortality data highlights the impact on responders and civilians: the FDNY lost 343 firefighters and 2 paramedics on the day of the attacks, with over 600 additional members dying later from toxin exposure. Among civilians, the 2,487 deaths on the day of the attacks have been followed by over 5,000 subsequent deaths attributed to exposure. Recent data shows the FDNY has seen 2,577 members diagnosed with cancer and 12,161 diagnosed with at least one illness attributed to WTC toxins. Northwell Health reported a 75% spike in 9/11-related cancers over the last three years, recording 800 new cases in a 42-month period and describing the trend as a ‘slow-motion health disaster.’ ## Claims - The World Trade Center Health Program has certified 57,044 cancer cases connected to the September 11 attacks. (corroborated by 2 sources) - On Long Island, 25,588 residents from Nassau and Suffolk counties are enrolled in the World Trade Center Health Program. (single source) - Nearly 97,000 individuals are suffering from September 11-related illnesses. (single source) - At Northwell Health, 30% of the 5,000 patients in the World Trade Center Health Program have more than one cancer diagnosis. (single source) - Of 16,000 patients at Stony Brook's program, 5,269 have at least one cancer diagnosis. (single source) ## Timeline ### 2026-09-10: New York health officials report surge in 9/11-related cancers Health officials report a massive spike in 9/11-related cancers among New York first responders and survivors, with Northwell Health noting a 75% increase in cases over the last three years. 7 sources. https://clstr.news/cluster/new-york-health-officials-report-surge-in-911-related-cancers ### 2026-09-03: September 11 survivors face rising cancer rates and long-term illnesses Nearly 25 years after 9/11, cancer cases among survivors have reached 57,044, with over 97,000 people suffering from related illnesses. New documentaries also aim to reveal previously unseen footage and photos. 5 sources. https://clstr.news/cluster/september-11-health-impacts-persist-as-illness-and-cancer-cases-rise ### 2026-08-31: 9/11-related cancer cases surge 1,680% as civilian cases surpass first responders Certified 9/11-related cancer cases have surged 1,680% since 2015, reaching 57,044. For the first time, civilian survivors and residents outnumber first responders in cancer certifications. 12 sources. https://clstr.news/cluster/911-related-cancer-cases-surge-1680-over-last-decade --- Cite as: Long-term health impacts of September 11 attacks. CLSTR, https://clstr.news/situations/long-term-health-impacts-of-september-11-attacks