Polio vaccine celebrates 60th anniversary
Sunday, 12 April, marks 60 years since the Salk polio vaccine was declared safe, effective, and potent. In that time, the number of polio cases has dropped by 99 percent worldwide. With just three countries remaining polio-endemic, we are closer than ever to eradicating this crippling disease.
Jonas Salk’s inactivated polio vaccine (IPV) has been crucial […]