Dowling, A., Young, et al., published a report in Journal of Medical Entomology with the results of a cooperative effort to survey ticks throughout Arkansas to better understand the heavy impacts of TBDs such as spotted fever rickettsiosis and ehrlichiosis in the mid-south. Logistical and financial barriers, and expanding geographic area of concern, prompted researchers to collaborate with members of the public to gather data on human disease-causing pathogens carried by ticks.
Rickettsia species 364D (Rickettsia philipii), the etiologic agent of Pacific Coast tick fever (PCTF). Transmitted to people by the Pacific Coast tick, Dermacentor occidentalis. As of 2016, fourteen cases (14) cases reported (all in California); 1st case in 2008. Most cases in Northern CA. The Pacific Coast tick’s range includes most of California, southern Oregon, […]
Rickettsia parkeri Rickettsiosis This disease is found in Eastern & Southern US & Gulf Coast. It is transmitted by Amblyomma maculatum, Gulf Coast tick. Symptoms include headache, fever, variable rash, eschar, which is dead tissue that falls off (sheds) from healthy skin. Diagnosis through PCR testing. Doxycycline is used for treatment. CDC website statement: Confirmation […]