Volume 27, Number 11—November 2021
CME ACTIVITY - Synopsis
Ehrlichiosis and Anaplasmosis among Transfusion and Transplant Recipients in the United States
Figure 2
![Incidence of ehrlichiosis and anaplasmosis in the United States, 2019, and of cases among transfusion and transplant recipients, 1997–2020. A) Incidence of anaplasmosis per 1 million US residents in 2019. B) Incidence of ehrlichiosis per 1 million US residents in 2019. C) Transfusion-transmitted anaplasmosis cases by recipient state of residence. D) Transfusion-transmitted ehrlichiosis cases by recipient state of residence. E) Organ donor–derived ehrlichiosis cases by recipient state of residence. We identified no organ donor–derived anaplasmosis cases. F) Organ donor–derived ehrlichiosis cases with onset <1 year after transplant by recipient state of residence. We identified 2 additional donor-derived ehrlichiosis cases with onset <1 year after transplant; however, recipient state of residence was unknown. NN, not notifiable.](/eid/images/21-1127-F2.jpg)
Figure 2. Incidence of ehrlichiosis and anaplasmosis in the United States, 2019, and of cases among transfusion and transplant recipients, 1997–2020. A) Incidence of anaplasmosis per 1 million US residents in 2019. B) Incidence of ehrlichiosis per 1 million US residents in 2019. C) Transfusion-transmitted anaplasmosis cases by recipient state of residence. D) Transfusion-transmitted ehrlichiosis cases by recipient state of residence. E) Organ donor–derived ehrlichiosis cases by recipient state of residence. We identified no organ donor–derived anaplasmosis cases. F) Organ donor–derived ehrlichiosis cases with onset <1 year after transplant by recipient state of residence. We identified 2 additional donor-derived ehrlichiosis cases with onset <1 year after transplant; however, recipient state of residence was unknown. NN, not notifiable.