An online exhibition devoted to raising awareness about the ongoing health effects linked to 9/11 exposures opened in commemoration of the 20th anniversary of the official end of the World Trade Center recovery operations. The exhibit, Health Effects of 9/11, features information on 9/11 exposures and the emergence of World Trade Center-related health conditions, the events and advocacy that established the World Trade Center Health Program, and research achievements that have led to improvements in medical treatment and knowledge. View Exhibit