Flu, measles, gastro-enteritis.. the list goes on. Throughout our lives, we regularly cross paths with viruses. Others such as the Zika virus, H1N1, and Ebola make the headlines. In this book, readers will find descriptions of a wide variety of viruses and how they’re transmitted. You'll learn about the multiplication process at work. You’ll also find out why they cause illnesses and sometimes kill, how to fight them, and even how to use them to control other diseases.