Treatment of Babesia Infections Immunocompetent: • Mild-Moderate (<4% parasitemia): Azithromycin 500mg day 1, then 250 mg/d, Atovaquone 750mg BID • Severe (>4% parasitemia): Azithromycin 500mg/day IV, Atovaquone 750mg BID Immunocompromised: • Mild-Moderate (<4% parasitemia): Azithromycin 600 - 1000 mg/d, Atovaquone 750mg BID • Severe (>4% parasitemia): Azithromycin 500mg/day IV, Atovaquone 750mg BID #Babesiosis #Babesia #Treatment #management