1795-1821 18thcentury 2009b-452 anniversaries control disasterplanning diseaseoutbreaks emergencymedicalservices english englishpoetry environmentalhealth etc etckeats exhibitions exhibitionskeats greece) john masscasualtyincidents olympicgames(28th:2004:athens poetryastopic poets populationsurveillance prevention publichealth sports wa295m4142007