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Jonas Salk announced the successful test of his polio vaccine on a small group of adults and children.
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Jonas Salk
American inventor of the polio vaccine (1914–1995)
Jonas Edward Salk was an American virologist and medical researcher who developed one of the first successful polio vaccines. He was born in New York City and attended the City College of New York and New York University School of Medicine.Source: Wikipedia (CC BY-SA)
Polio vaccine
Vaccine to prevent poliomyelitis
Polio vaccines are vaccines used to prevent poliomyelitis (polio). Two types are used: an inactivated poliovirus given by injection (IPV) and a weakened poliovirus given by mouth (OPV). The World Health Organization (WHO) recommends all children be fully vaccinated against…Source: Wikipedia (CC BY-SA)