Author(s): Heather C. Hudak

Junior Nonfiction

No one knows for sure where polio came from or when the first case took place. The disease has likely been around for thousands of years. Today, polio is very rare. The virus is normally found in just two countries, Afghanistan and Pakistan. Find out more in Polio, one of the titles in the International Outbreaks series. International Outbreaks helps readers understand what diseases are, how they spread, and what people can do to fight them. This is an AV2 media enhanced book. A unique book code printed on page 2 unlocks your interactive eBook. This book comes alive with videos, audio, weblinks, slideshows, activities, and much more. Book jacket.