The annual migration of wildebeest between the Serengeti and the Maasai Mara in East Africa attracts thousands of tourists from all over the world. For the Maasai, this is an unfavourable time. It implies danger for their livestock, because wildebeest are vectors of the dreaded malignant catarrhal fever, a fatal viral disease of cattle and sheep. An international team of scientists has tested the first attenuated vaccine against this dreaded disease. The results are promising! Find more information here.