The World Trade Center (WTC) Medical Working Group was appointed by former Mayor Bloomberg from 2007 to 2013 to study and assess the impact of the WTC disaster. The group included representatives from FDNY and NYPD, the city and state health departments, the Health and Hospitals Corporation and Mount Sinai. It published a series of annual reports ending in 2011 summarizing the scientific literature and research recommendations. The WTC Medical Working Group published its last annual report in 2011, after the Zadroga Act became law.
2011 Annual Report (PDF)
2010 Annual Report (PDF)
2009 Annual Report (PDF)
2008 Annual Report (PDF)
In early 2007, the panel released Addressing the Health Impacts of 9-11:
Report and Recommendations to Mayor Michael R. Bloomberg (PDF)
By the seventh anniversary of the 2001 terrorist attacks, implementation of all 15 recommendations was complete or underway.