28 October 2009

Polio vaccine (Salk)





The invention: Jonas Salk’s vaccine was the first that prevented polio,resulting in the virtual eradication of crippling polio epidemics.The people behind the invention:
Jonas Edward Salk (1914-1995), an American physician,
immunologist, and virologist
Thomas Francis, Jr. (1900-1969), an

Polio vaccine (Sabin)



The invention: Albert Bruce Sabin’s vaccine was the first to stimulate
long-lasting immunity against polio without the risk of causing
paralytic disease.
The people behind the invention:
Albert Bruce Sabin (1906-1993), a Russian-born American
virologist
Jonas Edward Salk (1914-1995), an American physician,
immunologist, and virologist
Renato Dulbecco (1914- ), an Italian-born American
virologist who shared the 1975 Nobel Prize in Physiology or
Medicine
The Search for a Living Vaccine
Almost a century ago, the first major poliomyelitis (polio) epidemic
was recorded. Thereafter, epidemics of increasing