<prompt> Ehrlichia effectsEndothelial cellNeutrophilsRBCMacrophages  <response>: Ehrlichia are small gram negative,obligate intrcintracellular bacteria which have affinity towards bloodcells.Ehrichia chaffeensis cause human monocyte ehrlichiosis and E.phagocytophilia cause human granulocytic ehrlichiosis which effects granulocytes neutrophils Ref:ananthnarayan and panikers microbiology 10th edition 