| first report in thailand of a stx-negative escherichia coli 0157 strain from a patient with diarrhea. | e. coli serotype 0157 is well known to cause serious illnesses in humans. however, there has been no case report to date of this serotype in thailand. in this study, we report for the first time e. coli 0157 (designated as psu120) isolated from a stool sample among 228 diarrheal swab samples at hat yai hospital, songkhla province, thailand. this psu120 was identified as being stx-negative and lacked eae but carried escv, a marker for the locus of enterocyte effacement. of the five reported integ ... | 2014 | 25427357 |