Cool site - lists all 'outbreaks' - the site state: " To be included in outbreakdatabase.com, the outbreak must have supporting documentation from public health agencies, journal articles, media reports, etc. Names of stores, brands, restaurants, or other sources are listed if they have been publicly identified previously." I skim read couple of articles - Interesting point is that in at least some cases where there is an identified proven issue with a location for a given date/food item- not every person in the group will get food poisoning. For example in this case only 75% of the boys (who had the same dish: tacos) got ill: