Level Sample E. colipresence Salmonella presence Primary production Lettuce 10/18 7/18 Strawberry 13/18 5/18 Soil 11/12 5/12 Water 12/12 5/12 Total 46/60 22/60 Domestic retail Lettuce 21/30 13/30 Strawberry 20/30 9/30 Total 41/60 22/60

Table 1: Overview of the number of samples from which generic E. coli and Salmonella were isolated in relation to the total number of samples analyzed per sample type in the primary production of lettuce and strawberries and in these fresh produce items sold in domestic retail establishments.