Rare tick-borne hemolytic disease caused by intraerythrocytic protozoan parasites of the genus Babesia
Infrequently reported outside the United States
Sporadic cases have been report...
The tick must remain attached for at least 24 hours before the transmission of B. microti occurs (1).
Comorbidities (immunosuppression, chronic disease)
In areas endemic for Lyme disease and ehrlichiosis, consider adding doxycycline 100 mg BID PO to empirically treat coinfection until serologic testing is complete (1)[C].
If left untreated, silent babesiosis may persist for months or years (2).
Of 139 hospitalized cases from 1982 to 1993:
9 patients (7%) died.
25% were admitted to t...
Curcio SR, Tria LP, Gucwa AL. Seroprevalence of Babesia microti in individuals with Lyme disease. Vector Borne Zoonotic Dis. 2016;16(12):737–743. [View Abstract on OvidMedline...
73908004 Infection by Babesia microti
24620004 Hemolytic anemia due to babesiosis
Ticks must remain in place for 24 hours to transmit infection. Encourage daily “tick checks” if people are exposed in high-risk areas.
Most patients do not recall tick exposure, and inc...
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