Our lives have been taken over by a tiny virus we can't even see. But what IS a virus? How do viruses spread? Why should everyone keep washing their hands? How does a vaccine work? And what can we do to STAY WELL? Lift the flaps to find out.

Our lives have been taken over by a tiny virus we can't even see. But what IS a virus? How do viruses spread? Why should everyone keep washing their hands? How does a vaccine work? And what can we do to STAY WELL? Lift the flaps to find out.

Katie has been writing non-fiction children's books for almost half her life and loves questioning the world from a child's point of view. She's developed some of Usborne's bestselling series, including the See Inside books and Lift-the-flap Questions & Answers. When she's not writing, she likes drinking coffee, walking on the moors and playing competitive board games with her children.