Rickettsia parkeri infection
| Tick vector: Amblyomma maculatum |
| Geographic distribution: Eastern and southern regions |
| Classic presentation: Inoculation eschar, fever, headache, myalgia, rash, thrombocytopenia, leukopenia, increased aminotransferase levels |
| Diagnosis: Same as for Rocky Mountain spotted fever |
| Treatment: Same as for Rocky Mountain spotted fever |