title: Threat of infectious diseases comes and goes; fundamental challenges remain.
authors.affiliation: Pleasant Hill, CA. Electronic address: matt.powers@ena.org.
authors.forename: Matthew F
authors.initials: MF
authors.lastname: Powers
mesh_terms: D003141:Communicable Diseases; D004189:Disaster Planning; D004196:Disease Outbreaks; D016529:Emergency Nursing; D006801:Humans