[First trials of vaccination with attenuated living antipoliomyelitis vaccine in the Americas].
D000569:Americas; D035843:Biomedical Research; D006801:Humans; D019369:Life; D011051:Poliomyelitis / Q000517:prevention & control*; D014611:Vaccination; D014613:Vaccines, Attenuated
D014613:Vaccines, Attenuated
POLIOMYELITIS/prevention and control
I primi tentativi di vaccinazione con vaccino antipoliomielitico vivente attenuato nelle Americhe.