title: Public health preparedness and response in the USA since 9/11: a national health security imperative.
authors: Office of Public Health Preparedness and Response, Centers for Disease Control and Prevention, US Department of Health and Human Services, Atlanta, GA 30333, USA. askhan@cdc.gov
authors: Ali S
authors: AS
authors: Khan
mesh_terms: D004189:Disaster Planning / Q000191:economics / Q000458:organization & administration; D006801:Humans; D011634:Public Health / Q000191:economics; D011635:Public Health Administration; D012637:Security Measures / Q000458:organization & administration*; D047851:September 11 Terrorist Attacks; D014481:United States