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