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The first mass inoculation of children against polio with the Salk vaccine begins in Pittsburgh.
Related Wikipedia articles
Polio
Infectious disease caused by poliovirus
Poliomyelitis, commonly shortened to polio, is an infectious disease caused by the poliovirus. Approximately 75% of cases are asymptomatic; mild symptoms which can occur include sore throat and fever; in a proportion of cases more severe symptoms develop such as headache, neck…Source: Wikipedia (CC BY-SA)
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)
Vaccine
Pathogen-derived preparation that provides acquired immunity to an infectious disease
A vaccine is a biological preparation that provides active acquired immunity to a particular infectious or malignant disease. The safety and effectiveness of vaccines has been widely studied and verified. A vaccine typically contains an agent that resembles a disease-causing…Source: Wikipedia (CC BY-SA)
Pittsburgh
Second-most populous city in Pennsylvania, U.S.
Pittsburgh is a city in Allegheny County, Pennsylvania, United States, and its county seat. The city is located in southwestern Pennsylvania at the confluence of the Allegheny River and Monongahela River, which combine to form the Ohio River. It is the second-most populous city…Source: Wikipedia (CC BY-SA)