Keeping Your Germs to Yourself | A Children's Disease Book (Learning About Diseases). Baby Professor

Аннотация:

Did you know that germs are things that you cannot see but can be passed on to different people? That’s why you cover your mouth and nose when you sneeze. That’s also the reason why you don’t share spoons and forks with other people. Let’s take a look at more gross yet fascinating facts about the intricate relationship of germs and diseases.