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The Progress of VaccinesLoading...
This is a picture of a device that is called iron lungs.Loading...
This is a picture of a poster that was put up after the polio vaccine was made.Loading...
This was a huge step for doctors because they wouldn't have to worry about children with polio.Loading...
Iron lungs helped people with polio have more time to breath.Loading...
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The Progress of VaccinesLoading...
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The polio vaccine was invented to help people like this child survive polio. Polio made many people like these people have trouble walking.Loading...
This lady has to be in a wheelchair because she suffered from the horrible disease of polio.Loading...
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