Download or read book What Is a Virus? written by Katie Daynes and published by Lift-the-Flap First Questions & Answers. This book was released on 2021-02-24 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: A really hands-on introduction to a topical and currently important subject. It explains the way viruses spread, where they come from and how they work, answering a children's questions with fun, interactive flaps.