New live vaccines against virus diseases.
D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000276:immunology*; D009107:Mumps / Q000276:immunology*; D011051:Poliomyelitis / Q000276:immunology*; D014612:Vaccines; D014613:Vaccines, Attenuated
D007252:Influenza Vaccines; D014612:Vaccines; D014613:Vaccines, Attenuated
INFLUENZA/immunology; MUMPS/immunology; POLIOMYELITIS/immunology; VACCINES