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John F. Kennedy's assassination was the first of four major assassinations during the 1960s, coming two years before the assassination of Malcolm X in 1965, and five years before the assassinations of Martin Luther King Jr. and Robert F. Kennedy in 1968. [306] For the public, Kennedy's assassination mythologized him into a heroic figure. [307]
Many countries began polio immunization campaigns using Salk's vaccine, including Canada, Sweden, Denmark, Norway, West Germany, the Netherlands, Switzerland, and Belgium. By 1959, the Salk vaccine had reached about 90 countries. [5] An attenuated live oral polio vaccine was developed by Albert Sabin, coming into commercial use in 1961. Less ...
Thomas Francis Jr. (July 15, 1900 – October 1, 1969) was an American physician, virologist, and epidemiologist who guided the discovery and development of the polio vaccine being worked on by his student Jonas Salk.
When John F Kennedy became the fourth sitting US president to be assassinated, at the hands of a gunman, in Texas 60 years ago, the country was left stunned and heartbroken.
November 8, 1960: John F. Kennedy wins the 1960 United States presidential election. June 13, 1962: Oswald returns to the United States with the wife Marina and their child to live in Texas. [2] October 9, 1962: Oswald rents P.O. Box 2915 under his real name at the Dallas post office. He will maintain the rental until May 14, 1963.
Is the polio vaccine safe? While an oral polio vaccine (OPV) is administered in some countries, inactivated polio vaccine (IPV) has been the only available form of immunization in the U.S. since 2000.
Albert Sabin, a virologist who publicly disagreed with Salk and his killed vaccine, worked on creating a vaccine with live attenuated vaccines. [5] In January 1956, despite Cold War tensions, Mikhail Chumakov, the director of Moscow's Polio Research Institute, along with his wife virologist Marina Voroshilova, and his colleague Anatoli Smorodentsev, traveled to the U.S. in order to study the ...
When John F Kennedy became the fourth sitting US president to be assassinated, at the hands of a gunman, in Texas 60 years ago, the country was left stunned and heartbroken.