This animated video lesson is all about infections. Aaron has a bad cold and feels miserable. We learn what infectious diseases are and how to prevent spreading germs - like using tissues, wearing masks, proper coughing and sneezing practices, disinfecting mobile devices, and washing our hands frequently. We also learn about pathogens, viruses, diseases caused by bacteria, how parasites spread disease, transfer of germs, and infectious diseases.  Students learn to stay safe in the world around them.