| ANTU | Alpha-Naphthylthiourea |
| CC | Corpus Christi (Texas) |
| CDC | Center for Disease Control (of the United States) |
| CF | complement fixation (serologic test) |
| DDT | dichlorodiphenyltrichloroethane |
| FBT | flea-borne typhus |
| HDH | Hawaii Dept of Health |
| NIH | National Institutes of Health (of the United States) |
| OC | Orange County (California) |
| PABA | para-aminobenzoic acid |
| PCR | polymerase chain reaction |
| PTU | phenylthiourea |
| RMSF | Rocky Mountain Spotted Fever |
| TGR | Typhus group rickettsioses |
| TDHS | Texas Dept of Health Services |
| TNR | trap-neuter-return |
| WFt | Weil-Felix test |
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