title: Letter from the Editor.
authors: Ronald
authors: R
authors: Ellis
authors: Adam
authors: A
authors: Weiss
mesh_terms: D001428:Bacterial Vaccines / Q000008:administration & dosage / Q000009:adverse effects / Q000191:economics / Q000276:immunology*; D003141:Communicable Diseases / Q000191:economics / Q000453:epidemiology*; D003226:Congresses as Topic; D003365:Costs and Cost Analysis; D018562:Disease Transmission, Infectious / Q000191:economics / Q000517:prevention & control*; D006801:Humans; D032521:Immunity, Herd; D007115:Immunization Schedule; D014765:Viral Vaccines / Q000008:administration & dosage / Q000009:adverse effects / Q000191:economics / Q000276:immunology*
chemical_list: D001428:Bacterial Vaccines; D014765:Viral Vaccines