Albert Sabin
In 1961, Sabin’s live, attenuated polio vaccine replaced Jonas Salk’s inactivated polio vaccine that had been in use since 1955.
In 1961, Sabin’s live, attenuated polio vaccine replaced Jonas Salk’s inactivated polio vaccine that had been in use since 1955.
VAPP or vaccine-associated paralytic polio are cases of polio that are actually caused by the oral polio vaccine.
There is a very good reason that eczema is a contraindication to getting the smallpox vaccine.