| ACU | alternate chaperone–usher |
| AMR | antimicrobial resistance |
| CF | colonization factors |
| CU | chaperone–usher |
| ELISA | ensyme-linked immunosorbent assay |
| ETEC | Enterotoxigenic Escherichia coli |
| E. coli | Escherichia coli |
| LT | heat-labile toxin |
| FUP | fimbrial usher protein |
| PCR | polymerase chain reaction |
| ST | heat-stable toxin |
| TAC | TaqMan Array Card |
| TD | travelers’ diarrhea |
| WGS | whole-genome sequencing |
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