Based on the streptococcus virus, which causes sore through (which is why he is sticking out his tongue so the doctor can check his throat). Also includes flip book and sticker! Children, parents and educators will enjoy using these educational plush toys to teach about hygiene, disease and the human body. Each microbe comes with a description of the disease it causes or function it performs. Use these fun, non-threatening toys to emphasize the importance of washing hands and preventing sickness in social settings. Surface washable, air dry.