#Ehrlichiosis most frequently reported from southeastern & south-central United States, from East Coast extending westward to Texas.
-Areas overlap w/ known geographic distribution of #dogtick lonestar tick (Amblyomma americanum) primary tick vector of E. chaffeensis & E. ewingii
Monocytic #ehrlichiosis is transmitted by vector #dogtick. Note that the morula is in a monocyte, not a neutrophil. If the cell were a neutrophil, the answer would be a deer tick. Photo Ref t.co/rlESdTbRR0
Whether the patient was infected with Rickettsia rickettsii or has Ehrlichia canis, the most likely vector is a #dogtick
Treatment for either infection would be doxycycline.
Q Ref GWIDBR, pic ref wiki, text ref cdc www.cdc.gov/rocky-mounta...
The #dogtick, #Dermacentor #variabilis, is a major vector of Rocky Mountain Spotted Fever #RMSF in the Eastern United States.
#dogtick #dermacentor
leukopenia + thrombocytopenia
-possibility of rocky mountain spotted fever #RMSF & ehrlichiosis (E. canis) from dog ticks
-Patients with RMSF may have either low or elevated wbc
