Table 1. Occurrence, serotypes, phenotypic and genotypic determinants of L. monocytogenes (Lm) virulence recovered from dairy samples.

Sample type	Positive dairy (%)	Prevalence of confirmed Lm (%)	Distribution (Lm) serotypes in dairy samples (%)		Biofilm formation (%)
			1/2b	4b	Negative	Weak	Moderate	Strong
Cheese	6/14 (42.86)	12 (57.14)	10 (47.62)	2 (9.52)	-	2 (9.52)	8 (38.1)	2 (9.52)
Fresh milk	4/25 (16)	7 (33.33)	6 (28.57)	1 (4.76)	-	4 (19.05)	2 (9.52)	1 (4.76)
Raw milk	2/26 (7.69)	2 (9.52)	2 (9.52)	-	1 (4.76)	-	1 (4.76)	-
Total (%)	12/65 (18.46)	21 (100)	18 (85.71)	3 (14.29)	1 (4.76)	6 (28.57)	11 (52.38)	3 (14.29)