One of the hardest questions to answer in an infectious disease outbreak investigation is "Why?" Why then? Why there? These questions can be almost impossible to answer - not only because of their heady metaphysical nature but also because of the difficulty of assessing the minute interactions between microbe, environment and human host. Public health officials are often left shrugging their shoulders, half-heartedly admitting to an unsatisfied public that they just don't know and indeed may never know, later drowning their sorrows in dark and smoky bars with cup after cup of the metabolic waste products of unicellular fungi.