From Polio Pioneer to COVID-19 Crusader: An Infectious Disease Doctor's Reflection on Past and Present Vaccines - Penn Medicine
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Ypsilanti High School Athletes Battle Polio at University Hospital, December 1953 | Ann Arbor District Library
![First U.S. Polio Case in Nearly a Decade Highlights the Importance of Vaccination - Scientific American First U.S. Polio Case in Nearly a Decade Highlights the Importance of Vaccination - Scientific American](https://static.scientificamerican.com/sciam/cache/file/3F657A2D-DBF0-4149-858E98677B173F66_source.jpg)
First U.S. Polio Case in Nearly a Decade Highlights the Importance of Vaccination - Scientific American
![Bobby Snyder Receives Treatment for Polio at University Hospital, December 1953 | Ann Arbor District Library Bobby Snyder Receives Treatment for Polio at University Hospital, December 1953 | Ann Arbor District Library](https://aadl.org/sites/default/files/photos/N031_1214_001.jpg)
Bobby Snyder Receives Treatment for Polio at University Hospital, December 1953 | Ann Arbor District Library
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