Who created the Polio vaccine?
Jonas Salk
Jonas Salk
Jonas Salk
Jonas Salk
Jonas Salk
Jonas Salk and Jonas Salk
Jonas Salk
Jonas Salk, Jonas Salk
Jonas Salk
Jonas Salk and Jonas Salk
Jonas Salk
Jonas Salk or Jonas Salk
Jonas Salk and Maurice Hilleman
Jonas Salk, Jonas Salk
Jonas Salk
Jonas Salk and Jonas Salk
Jonas Salk and Albert Sabin
Jonas Salk and John Enders
Jonas Salk and Louis Pasteur
Jonas Salk
Jonas Salk and Maurice Hilleman
Jonas Salk or Jonas Salk
Jonas Salk and Albert Sabin
Salk and Jonas Salk
Jonas Salk, Jonas Salk
Jonas Salk and Jonas Salk
Jonas Salk
Jonas Salk, John Enders
Jonas Salk and Louis Pasteur
Jonas Salk and John Enders
Jonas Salk and Maurice Hilleman
Salk and Jonas Salk
Jonas Salk and Albert Sabin
Jonas Salk
Jonas Salk and Louis Pasteur
Jonas Salk, Jonas Salk
Jonas Salk Institute
Jonas Salk.
Jonas Salk, John Enders
Jonas Salk and Jonas Salk
Salk and Jonas Salk
Jonas Salk and Maurice Hilleman
Jonas Salk and John Enders
Jonas Salk
Jonas Salk, John Enderle
Jonas Salk and Albert Salk
Jonas Salk and Albert Sabin
Jonas Salk and Louis Pasteur
Salk and Jonas Salk
Dr. Jonas Salk
Jonas Salk Institute
Jonas Salk, John Enderby
Jonas Salk
Jonas Salk.
Jonas Salk and Maurice Hilleman
Jonas Salk, Jonas Salk
Jonas Salk, John Enders
Jonas Salk and Albert Salk
Jonas Salk and Albert Sabin
Jonas Salk and Jonas Salk
Jonas Salk, John Enderle
Jonas Salk and John Enders
Salk and Jonas Salk
Jonas Salk
Jonas Salk and Louis Pasteur
Dr. Jonas Salk
Jonas Salk and Erwin Popper
Jonas Salk Institute
Jonas Salk.
Jonas Salk, John Enderby
Jonas Salk and Maurice Hilleman
Jonas Salk and Albert Salk
Jonas Salk and Albert Sabin
Jonas Salk
Salk and Jonas Salk
Jonas Salk, John Enders
Jonas Salk, John Enderle
Jonas Salk, Jonas Salk
Dr. Jonas Salk
Jonas Salk and Jonas Salk
Jonas Salk and John Enders
Jonas Salk and Louis Pasteur
Jonas Salk Institute
Jonas Salk and Maurice Hilleman
Jonas Salk.
Jonas Salk
Jonas Salk, John Enderby
Salk and Jonas Salk
Jonas Salk and Albert Salk
Jonas Salk and Albert Sabin
Jonas Salk and Erwin Popper
Dr. Jonas Salk
Jonas Salk, John Enderle
Jonas Salk and Maurice Salk
Jonas Salk, John Enders
Jonas Salk and Louis Pasteur
Jonas Salk, Jonas Salk
Jonas Salk
Jonas Salk and John Enders
Jonas Salk Institute
Jonas Salk and Jonas Salk
Salk and Jonas Salk
Jonas Salk and Ervin Enders
Jonas Salk.
John Enders
Jonas Salk and Albert Salk
Jonas Salk and Albert Sabin
Jonas Salk, John Enderby
Dr. Jonas Salk
Jonas Salk and Maurice Hilleman
Maurice Hilleman
Virgilio Denis Sabin
Jonas Salk and Maurice Salk
Endert & Jonas Salk
Jonas Salk
Jonas Salk and Erwin Popper
Jonas Salk and Ervin Ender
Jonas Salk and Louis Pasteur
John Enders
Jonas Salk and Erwin Poppe
Salk and Jonas Salk
Salk Institute for Biological Studies
Jonas Salk and Ervin Enderle
Jonas Salk Institute
Jonas Salk, John Enders
Jonas Salk and Albert Sabin
Jonas Salk.
Jonas Salk and Erwin Neisser
Jonas Salk and John Enders
Maurice Hilleman
Jonas Salk and Jonas Salk
Jonas Salk, Jonas Salk
Jona Lennard-Jones
Jonas Salk
John Enders
Jonas Salk and Louis Pasteur.
Dr. Jonas Salk
Jonas Salk and Ervin Enders
Jonas Salk and Louis Pasteur
Jonas Salk and Maurice Hilleman
Salk and Jonas Salk
Jonas Salk and Albert Sabin
Maurice Hilleman
Virgilio Denis Salk
John Kendrick Jonas Salk
Enderlein, Jonas Salk
Jonas Salk Institute
Enderlein and Jonas Salk
Jonas Salk & John Enders
Jonas Salk and Edward Salk
Jonas Salk and Louis Salk
Jonas Salk and Albert Salk
John Enders
Jonas Salk and Walter Wynne
Virgil Hirshfield
Jonas Salk.
Salk Institute for Biological Studies
Jonas Salk and Ervin Ender
Jonas Salk
Jonas Salk and John Enders
Jonas Salk and Erwin Poppe
Virgil Hirshhorn
Salk Institute for Biological Studies and John Enders
Enderlein & Enderlein
Jona L. Salk
Jonas Salk and Louis Pasteur
Jonas Salk and Ervin Enderle
Dr. Jonas Salk
Jonas Salk and Louis Pasteur.
Erwin Popper
Jonas Salk and Jonas Salk
Jonas Salk and Walter Wynder
Jonas Salk and Maurice Salk
Jonas Salk, Jonas Salk
Salk and Jonas Salk
Jonas Salk and Erwin Popper
Virgilio Denis Enders
Albert Sabin
Jonas Salk's
Jonas Salk and Erwin Neisser
Jonas Salk and Erwin Neel
Jonas Salk and Ervin Endert
Jonas Salk and Albert Sabin
Maurice Hilleman
Virgil Hilleman
John Enders
Jonas Salk and Erwin Neher
Virgil Hutchinson
Jonas Salk and Margaret Hirsh
John J. McEwen
Jonas Salk and Maurice Hilleman
Jonas Salk and Ervin Enders
Jonas Salk and John Enders
Jonas Salk Institute
Virgilio Caputo
Erwin Popper
Jonas Salk.
Jonas Salk and Louis Pasteur
Albert Sabin
Salk, Jonas Salk
Virgilio Capucci