The yellow fever vaccination belongs to the most successful ones, however it also carries the greatest risk. It's dangerous for persons with an allergy to eggs, but it's obligatory to visit tropical countries. To assure the comprehension of this complex topic, it was transferred into a clear visualization by the use of analogue and digital media.

The metaphorical expression of yellow serves as a leading design element. An overview is given on an informational poster and a short film about the way of a vaccine virus explains how to reach cellular immunity step by step.