Human monocytic ehrlichiosis (see Ehrlichiosis and Related Infections)

Rickettsial Diseases
More Information

Animals Involved

Deer are probably major reservoir in North America, dogs and other canids, lemurs, other mammals can also be infected

Known Distributions

North America; also reported in South America, Asia, and Africa

Probable Means of Spreading

Ticks, including Amblyomma americanum

Clinical Manifestations in People

Asymptomatic to nonspecific febrile illness; rash in many pediatric cases, some adults; may progress to prolonged fever, renal failure, respiratory distress, hemorrhages,
cardiomyopathy, neurologic signs, multiorgan failure; more severe in immunosuppressed, elderly; estimated case fatality rate 2%–3%

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