Table 1. Comparative symptomology associated with Pacific Coast tick fever (PCTF) and Rocky Mountain spotted fever (RMSF)*.
| Symptom | PCTF | RMSF*** |
|---|---|---|
| Eschar | 100% (14/14) | Uncommon |
| Fever | 85% (11/13**) | 100% (208) |
| Headache | 79% (11/14) | 72% (208) |
| Lymphadenopathy | 64% (9/14) | 20% (60) |
| Rash | 14% (2/14) | 92% (208) |
* Includes all 14 cases reported to date in California (2008–2014)
** Temperature was not recorded for one case-patient
*** Data cited based on a previously published summary (Paddock et al., CID, 2008).