Viruses are everywhere. When we get a cold or the flu, it's caused by a viral infection. SARS, Ebola, and shingles are all caused by viruses. But what are viruses anyway? And what can we do to stop them? Viruses have a special status in the world of medicine because, unlike bacteria and fungi that infect us, viruses are not alive. This makes preventing viruses a challenge. This book provides an introduction to the most common viruses with details on how they infect us, how they spread, and what we can do about them. Have you ever wondered why you're immune to the chicken pox with one infection, but you get dozens of colds? Are you curious why the flu can't be treated by antibiotics? If so, this is the book for you. Written in a conversational style and a user-friendly length, This book is a must-read for anyone interested in understanding their health.