title: Unknown effects of viral vaccines.
mesh_terms: D000921:Antibody-Producing Cells; D000941:Antigens; D006801:Humans; D014611:Vaccination / Q000009:adverse effects; D014765:Viral Vaccines / Q000009:adverse effects*; D014780:Viruses / Q000472:pathogenicity
chemical_list: D000941:Antigens; D014765:Viral Vaccines