Items 1-9 of 9
all pathogenic Salmonella species
Cryptosporidium
Entamoeba histolytica
Escherichia coli (E coli)
Giardia intestinalis assemblages A & B
Naegleria fowleri
Nitrosomonas oligotropha
Vibrio (all species)
Vibrio cholerae (All subspecies)