| shiga toxin-producing escherichia coli in central greece: prevalence and virulence genes of o157:h7 and non-o157 in animal feces, vegetables, and humans. | in greece, shiga toxin-producing escherichia coli (stec) have only been sporadically reported. the objective of this study was to estimate the prevalence of stec and escherichia coli o157:h7 in farm animals, vegetables, and humans in greece. a total number of 1,010 fecal samples were collected from farm animals (sheep, goats, cattle, chickens, pigs), 667 diarrheal samples from humans, and 60 from vegetables, which were cultured in specific media for stec isolates. enzyme-linked immunosorbent ass ... | 2013 | 23677425 |