Alternative vaccines.
D000881:Anthrax / Q000517:prevention & control; D000956:Antigens, Viral / Q000276:immunology; D004274:DNA, Recombinant; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009154:Mutation; D010446:Peptide Fragments / Q000276:immunology; D011054:Poliovirus Vaccine, Inactivated / Q000266:history; D011055:Poliovirus Vaccine, Oral / Q000266:history; D012900:Smallpox Vaccine / Q000266:history; D014612:Vaccines / Q000009:adverse effects / Q000266:history; D014613:Vaccines, Attenuated / Q000009:adverse effects / Q000266:history; D014764:Viral Proteins / Q000235:genetics / Q000276:immunology
D000956:Antigens, Viral; D004274:DNA, Recombinant; D010446:Peptide Fragments; D011054:Poliovirus Vaccine, Inactivated; D011055:Poliovirus Vaccine, Oral; D012900:Smallpox Vaccine; D014612:Vaccines; D014613:Vaccines, Attenuated; D014764:Viral Proteins