Empirical Support for Optimal Virulence in a Castrating Parasite Evolution of Virulence Adaptive Dynamics of Infectious Diseases: In Pursuit of Virulence ... Integrating across levels Interesting discussion of the complexity of optimal virulence theory `Small worlds' and the evolution of virulence: infection occurs ... Pathogen Virulence: The Evolution of Sickness - A Review from the Science Creative Quarterly