for plato users is B answer is Edward Jenner hope this one helps out mis amigos
Jonas Salk developed the first polio vaccine in 1952.
Louis Pasteur developed the vaccine for rabies in 1885.
he was a scientist
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1950's The first polio vaccine, called the Salk vaccine, was developed by Jonas Salk and became available in 1955. In 1962 the Sabin or oral vaccine developed by Albert Sabin became available.
Jonas Salk developed the first polio vaccine in 1952. It was a intradermal injection vaccine.
Jonas Salk in 1955.
Jonas Salk developed the first vaccine in 1952.
Dr. Jonas Edward Salk, (1914-1995), developed the first vaccine against poliomyelitis in 1952. The vaccine was distributed nationally in the US after wide-scale testing was successfully completed in 1954.
In the 1950s, Salk developed the first polio vaccine, an injection. In 1962, Sabin developed the oral polio vaccine, taken by mouth, and still used, at present.
Poliomyelitis as two vaccines: Jonas Salk developed the first in 1952 and used first in 1955. This vaccine used an inactive virus. Albert Sabin developed an attenuated vaccine which was available in 1962. The Salk vaccine was given by injection and the Sabin by mouth.
Edward Jenner developed the first vaccine for small pox.