title: Pandemic vaccines and small excess of Guillain-Barre cases.
mesh_terms: D020275:Guillain-Barre Syndrome / Q000139:chemically induced* / Q000453:epidemiology; D006801:Humans; D015994:Incidence; D053118:Influenza A Virus, H1N1 Subtype; D007252:Influenza Vaccines / Q000008:administration & dosage / Q000009:adverse effects*; D007251:Influenza, Human / Q000517:prevention & control*; D058873:Pandemics / Q000517:prevention & control*; D011159:Population Surveillance; D014481:United States / Q000453:epidemiology
chemical_list: D007252:Influenza Vaccines