Caillou is at day care playing dinosaurs with his friends, when their caregiver tells them something very important: a new sickness is going around. Caillou learns that the best way to protect himself from the virus is to stay at home and wash his hands a lot. With a little help from technology, he stays in touch with Grandma and his friends. This book teaches children about being mindful, shows them how to protect themselves against catching a virus, and shows how to have fun and stay safe at the same time.