title: The hidden vulnerable among us.
authors.forename: Stanley M
authors.initials: SM
authors.lastname: Aronson
mesh_terms: D003141:Communicable Diseases / Q000453:epidemiology / Q000235:genetics / Q000635:transmission*; D004196:Disease Outbreaks; D020022:Genetic Predisposition to Disease / Q000453:epidemiology; D006801:Humans; D012307:Risk Factors; D035862:Vulnerable Populations; D014901:West Nile Fever / Q000453:epidemiology / Q000209:etiology