1 gen 1952 anni - Polio Vaccine

Descrizione:

When: the first effective polio vaccine was made somewhere in 1952
Where: It was in the US
Who: The polio vaccine was made by Jonas Salk in a team in university, along with Julius Youngner, Byron Bennett, L. James Lewis, and Lorraine Friedman.
What: Polio is a virus that affects nerves in the spinal cord or brain stem. the vaccine is simply, to stop polio
why: so that polio can stop going into people and making their lives worse
Impact: polio is now curable thanks to the discovery of the vaccine.

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