Babesia is a tick-borne intraerythrocytic protozoan parasite, which can result in subclinical or mild illness in most cases, but occasionally, in immunocompromised individuals, the reaction can be severe. Ehrlichia is a tick-borne genus of rickettsiales bacteria, which targets neutrophils adherent to endothelium in tissues, resulting in tissue damage and inflammatory responses. Bartonella henselae is a tick-borne proteobacterium, which can present with nonspecific clinical features indicating upper respiratory tract infection or viral pneumonia.
Babesia + Ehrlichia + Bartonella
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