title: [Is diphtheria returning?].
authors: G
authors: G
authors: Rossi
mesh_terms: D000367:Age Factors; D004165:Diphtheria / Q000453:epidemiology* / Q000635:transmission; D004168:Diphtheria Toxoid / Q000008:administration & dosage; D004196:Disease Outbreaks; D005060:Europe / Q000453:epidemiology; D006801:Humans; D012426:Russia / Q000453:epidemiology; D014611:Vaccination
chemical_list: D004168:Diphtheria Toxoid