'This man's injected dead virus vaccine inspired Albert Sabin's live-virus oral vaccine for polio'
(Jonas) Salk
SCIENTISTS: This mans injected dead virus vaccine inspired Albert Sabins live-virus oral vaccine for polio
This man's injected dead virus vaccine inspired Albert Sabin's live-virus oral vaccine for polio
This man's injected dead virus vaccine inspired Albert Sabin's live-virus oral vaccine for polio
SCIENTISTS
Jonas Salk
SCIENTISTS