This online training is an interactive training developed for preteens and teens. The training is divided into four parts. The first part of the training covers in general terms, how people can get diseases from microbes found in air, blood, vectors or direct contact in food, soil or other people. The second part of the training is focused on how vaccines are made and how vaccines work in the body to protect us from disease. The third part of the training is specifically focused on the "Strive for 5" vaccines; Tdap, meningococcal, varicella, HPV and flu. The fourth part of the training is an interactive immunization game.