Fig. 1From: Absence of reproduction-immunity trade-off in male Drosophila melanogaster evolving under differential sexual selectionResults of Cox proportional hazards analysis for survivorship against: (a)Pseudomonas entomophila and (b) Staphylococcus succinus. The curves show survival as a function of time. The black, green, red and blue lines represent F-mated (FM), M-mated (MM), F-virgin (FV) and M-virgin (MV) respectivelyBack to article page