title: Commentary.
authors.affiliation: Department of Emergency Medicine, Olive View-UCLA Medical Center, Sylmar, CA.
authors.forename: Maureen
authors.initials: M
authors.lastname: McCollough
mesh_terms: D021821:Communicable Diseases, Emerging / Q000453:epidemiology*; D058872:Epidemics; D005260:Female; D006801:Humans; D008297:Male; D014917:Whooping Cough / Q000453:epidemiology*