Conferencias Magistrales. Ehrlichiosis y anaplasmosis humanas en América. Human Ehrlichiosis and Anaplasmosis in America. J. Stephen Dumler. Entre ellas, existen seis especies que causan infecciones en humanos, incluyendo Ehrlichia chaffeensis, agente responsable de la Ehrlichiosis Monocítica. No Brasil, estudos sorológicos e moleculares têm avaliado a ocorrência de espécies de Ehrlichia em cães, gatos, animais selvagens e seres humanos.

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Ehrlichiosis monocítica humana

Human granulocytic ehrlichiosis in Italy: The organism was first described in dogs by Donatien and Letosquard in Algeria. From taxonomy to control. Detection of Ehrlichia canis in bone marrow aspirates of experimentally infected dogs. Veterinary Recordv.

Additionally, antibodies anti- B.

Ehrlichiosis and rickettsiosis in a canine population of Northern Sardinia. The acute stage lasts two to four weeks and has non-specific clinical signs that may include apathy, anorexia, vomiting, fever, ocular and nasal discharge, weight loss, ocular lesions, lymphadenopathy, hepatosplenomegaly, and dyspnea MOREIRA et al.

Several methods with varying degrees of sensitivity and specificity can be used to detect Ehrlichia organisms. American Journal of Tropical Medicine and Hygienev.


Ehrlichiosis is a tick-borne disease caused by Ehrlichia spp. Horses included nine Surveillance for zoonotic vector-borne infections using sick dogs from Southeastern Brazil. A questionnaire focused on epidemiological aspects was ehrlichiodis to each owner.

Emerging Infectious Diseasesv. However, it is important to note the cross-reactivity between E. Ehrlichia ewingii infection in white-tailed deer Odocoileus virginianus.

Ultrastructure of Ehrlichia canis.

Ehrlichiosis in Brazil

Seropositive human samples were: It was the first study of molecular detection of Ehrlichiowis sp. The infection rate was higher among people living in farms when compared to those living in the village. Antigenic and genomic relatedness among Ehrlichia risticii, Ehrlichia sennetsu, and Ehrlichia canis.

The first molecular detection of E.

Annals of Tropical Medicine and Parasitologyv. Journal of American Veterinary Medicine Associationv. Journal of Medical Entomologyv. Ticks parasitizing humans in Georgia and South Carolina.

This case series resulted from a specific protocol to search for rickettsial agents as a cause of fever COSTA et al. Neither horse infestations by R. More about human monocytotropic ehrlichiosis in Brazil: Clinical and Clinicopathologic findings in tropical canine pancytopenia.

It is important to notice that since these studies were conducted in a hospital population, prevalence data may not reflect the actual situation of canine ehrlichiosis in that region. Suspected ehrlichial infection in five cats from a household.


The Brazilian Journal of Infectious Diseasesv. The brown dog tick, Rhipicephalus sanguineus Latreille, Acari: A weak cross-reactivity between N.

Human exposure to tick vectors is seasonal and occurs predominantly in rural and suburban areas involving recreational, peridomestic, occupational, and military activities DEMMA et al.

Point seroprevalence survey of Ehrlichia ruminantium infection in small ruminants in The Gambia.

Ehrlichiosis monocítica humana – Wikipedia, la enciclopedia libre

Journal of American Veterinary Associationv. Thus, authors did not exclude the possibility on the involvement of a not-yet-described Ehrlichia species in the population of horses herein studied, which should be further molecularly identified and characterized. Journal of Veterinary Medicine B.