...
Geographical distribution: Serovar Napoli appears to be distributed in Europe, specifically in France, Italy, and Switzerland.
Outbreaks:
Year | Location | Associated source | Number of cases | Additional Information |
1982 | England | Chocolate bars | 245 | - |
| 2014 | Milan, Italy | Ham | 47 | 46 cases were primary school children that attended 1 of 4 primary schools |
Relevant links and references: