title: The perpetual challenge of infectious diseases.
authors: Tom
authors: T
authors: Parks
authors: Adrian V
authors: AV
authors: Hill
authors: Stephen J
authors: SJ
authors: Chapman
mesh_terms: D003140:Communicable Disease Control / Q000266:history*; D003141:Communicable Diseases / Q000266:history*; D006801:Humans; D014612:Vaccines / Q000266:history*
chemical_list: D014612:Vaccines