It was a time of panic. Swimming pools and playgrounds were closed. Children were kept inside. Why? The dreaded poliovirus was targeting young children across the United States. By the late 1940s, help arrived. Dr. Jonas Salk made the world a safer place because of his work to stop the poliovirus. This biographical historical recount highlights Dr. Stalk's career, as he follows scientific inquiry.
Text Type: Biography, Recount
Theme/Topic: Medicine, Life Science
|Guided Reading Level
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