Lily discovers for the first time what a virus is and how it can affect us.

This is an adorable story full of important teachings. In this adventure, Lily and her friends will learn everything we need to know about health and the prevention of infectious diseases.

These children are not afraid to learn and find many ways of collecting information and transforming their studies into fun activities and games. They represent excellent examples of persistence and determination in life. They show us how to be happy and motivated despite our problems.