Virulence Genes among Enterococcus faecalis and Enterococcus faecium Isolated from Coastal Beaches and Human and Nonhuman Sources in Southern California and Puerto Rico

Table 1

Sources of E. faecalis and E. faecium isolated from Southern California.

Source	Number of samples	Number of sites	Number of isolates		Total number of isolates
			E. faecalis	E. faecium
Environmental
Beach water	5	5	8	10	18
Urban runoff	10	5	20	8	28
Sand	5	5	0	5	5
Sea wrack	5	1	5	5	10
Eelgrass	7	1	5	3	8
Wastewater influent	4	4	6	3	9
Wastewater effluent	5	2	6	11	17
Human
Human, healthy	18	NA	15	8	23
Human, clinical	10	Unk	10	5	15
Vancomycin resistant enterococci	Unk	Unk	0	10	10
Animal
Dogs	7	7	7	3	10
Birds	16	2	9	8	17
Total	92		91	79	170

NA = not applicable.
Unk = unknown.