Thank goodness for Outbreak Database (www.outbreakdatabase.com) to see the history of bad cucumbers:
European Outbreak Organic Spanish Cucumbers 2011
Outbreak Associated with Microsporidia, Sweden October 2009
Michigan Banquet Facility Green Salad and Cucumber 2008
Taste of Chicago Pars Cove Booth Hummus Shrazi 2007
Minnesota Banquet Facility Cucumber Salad 2006
Gate Gourmet Salad Vegetables 2004