Centers for Disease Control and PreventionInfectious Disease Society of AmericaUPMC Center for BiosecurityAmerican College of Physicians – includes PDA referencesAssociation of Professionals in Infection Control and Epidemiology (APIC)World Health Organization (smallpox)The CDC Smallpox Resource Kit: Materials for Health ProfessionalsAmerican Psychiatric Association Disaster PsychiatryManaging Hazardous Materials (Agency for Toxic Substances and Disease Registry Information)
