Page 968 - Clinical Small Animal Internal Medicine
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             Table 93.1  Species of Ehrlichia and Anaplasma of importance to dogs and cats
                                                                                                          Cyclic
              Disease      Monocytic ehrlichiosis         Granulocytic ehrlichiosis  Granulocytic anaplasmosis  thrombocytopenia
              Organism     Ehrlichia canis  Ehrlichia chaffeensis  Ehrlichia ewingii  Anaplasma phagocytophilum  Anaplasma platys
              Main targeted cell  Monocyte  Monocyte      Granulocyte       Granulocyte                   Platelet
              Main vector  Rhipicephalus   Amblyomma americanum  A. americanum  Ixodes scapularis, I. pacificus, I ricinus,   R. sanguineus
                           sanguineus                                       I persulcatus
              Other potential   Dermacentor   Dermacentor variabilis  Otobius megnini  I. spinipalpis, I. trianguliceps
              vector(s)    variabilis
              Main animal host  Dog     Dog               Dog               Dog, horse                    Dog
              Other animal hosts  Cat   Coyote, lemur, raccoon              Cat, cattle, goat, sheep
              Main reservoir  Dog       White‐tailed deer  White‐tailed deer  White‐tailed deer, white‐footed mouse, dusky‐  Dog
                                                                            footed woodrat, wood mouse
              Other potential   Jackal, fox, coyote
              reservoir(s)
              Zoonotic disease  Yes     Yes               Yes               Yes                           No
              Geographic   Worldwide    USA (southeastern and   USA (southeastern and   Worldwide         Worldwide
              distribution              south central US)  south central US)
   963   964   965   966   967   968   969   970   971   972   973