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Polio RevisitedThrough June 2005 What do the following have in common?
For the answer, see the new display "Polio Revisited" in the Science and Technology department. 2005 marks the 50th anniversary of the development of the first polio vaccine by Dr. Jonas Salk. |
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![]() Bangladesh, Polio National Immunization Day |
![]() Poster celebrating 50 years of polio vaccines |