2.1 Salmonella spp.
Salmonella spp. are pathogenic bacteria responsible for one of the most frequent foodborne diseases.
Nowadays, there are over 2500 known types, or serotypes, of Salmonella. However, Salmonella enterica
serovars Enteritidis and Typhimurium are the Salmonella types most frequently associated with human
illness. Eggs are considered the main source of human salmonellosis in Europe and in many other
countries worldwide. There is large inter-country variation: in some countries, no Salmonella was