SEROLOGIC TESTS (VI)IFA

• False positive (cross reactions)

  • Inter-species cross reactions (E.chaffeensis/HGE agent, Ehrlichia phagocytophila genogroup)
  • Other infectious agents
    • HME: Rocky Mountain fever, F°Q, EBV, Lyme disease, Brucelloses
    • HGE: F°Q, EBV, Lyme disease

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