Polio vaccination rates in some areas of the US hover dangerously close to the threshold required for herd immunity – here's why that matters
- Written by Jennifer Girotto, Clinical Professor of Pharmacy Practice, University of Connecticut
In 1956, during the height of the polio epidemic in the U.S., health officials in Chicago offer polio shots at a public school.Bettmann via Getty ImagesGiven recent headlines, you may be wondering why polio is even an issue in 2022. For more than 60 years, vaccines against the poliovirus have protected virtually everyone in the United States from...