The bubonic plague is a disease spread by fleas that live on rats. Outbreaks of the disease killed millions of people. Read this book to learn more about the history of this infectious disease.
The bubonic plague is a disease spread by fleas that live on rats. Outbreaks of the disease killed millions of people. Read this book to learn more about the history of this infectious disease.
The bubonic plague is a disease spread by fleas that live on rats. Outbreaks of the disease killed millions of people. Read this book to learn more about the history of this infectious disease.