Prairie dogs protected from plague by vaccine developed in Madison
![Prairie dogs protected from plague by vaccine developed in Madison](https://bloximages.chicago2.vip.townnews.com/lacrossetribune.com/content/tncms/assets/v3/editorial/8/83/88379617-327f-53ce-b760-492bae16b0b7/595d516ba8752.image.jpg?resize=300%2C333)
A vaccine developed in Madison has been shown to protect prairie dogs from plague, a bacterial disease that killed millions of Europeans during the Middle Ages and has sickened three people in New Mexico this year.