Kathleen Marcotte

Do you remember every single time you have been sick with a cold or a fever? You probably don't, but your body definitely does! When you catch certain illnesses, you cannot get sick from them a second time because your amazing body remembers the germs and completely fights them off before you feel ill. But what if your body could recognize dangerous germs that you have never even encountered before? That is exactly how vaccines work! This fascinating and timely book explores the incredible science behind vaccines, explaining how they function like a biological memory to protect you and keep your body strong. You will discover how brilliant scientists invented them throughout history and learn exactly how they train your immune system. Packed with helpful facts about different types of germs, this book is the perfect guide to understanding how we stay healthy and strong.