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Rickettsia en Afrique

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Parasites & Vectors 31/05/17 Serological and molecular detection of spotted fever group Rickettsia in a group of pet dogs from Luanda, Angola. To the best of our knowledge, this study shows for the first time the presence of SFGR in dogs in Luanda.

Parasites & Vectors 31/05/17 Serological and molecular detection of spotted fever group Rickettsia in a group of pet dogs from Luanda, Angola

A considerably lower prevalence of IgG antibodies against Rickettsia spp. was found in dogs when compared with other studies that assessed serum samples from dogs [11] or people [16]. On the other hand, the molecular prevalence in the present study was also lower than in another study that assessed Rickettsia spp. in dogs from Nigeria [12]. Nevertheless, the low prevalence could be related to the fact that tick species that were infesting this group of dogs had a low prevalence of rickettsial infection.

CDC - OCT 2013 - Rickettsia africae in Amblyomma variegatum Ticks, Uganda and Nigeria. Highlight and copy the desired format.

CDC - OCT 2013 - Rickettsia africae in Amblyomma variegatum Ticks, Uganda and Nigeria

To the Editor: Rickettsia africae is the most widespread spotted fever group (SFG) rickettsia in sub-Saharan Africa, where it causes African tick-bite fever (1), an acute, influenza-like syndrome. The number of cases in tourists returning from safari in sub-Saharan Africa is increasing (1). In western, central, and eastern sub-Saharan Africa, R. africae is carried by Amblyomma variegatum (Fabricius, 1794) ticks (2); usually associated with cattle, this 3-host tick also can feed on a variety of hosts, including humans (2). R. africae has not been reported in Uganda and rarely reported in Nigeria (3,4).

Our objective was to determine the potential risk for human infection by screening for rickettsial DNA in A. variegatum ticks from cattle in Uganda and Nigeria. After tick identification, DNA was extracted from ticks by using QIAmp DNeasy kits (QIAGEN, Hilden, Germany). These findings represent a novelty for Uganda. Acknowledgments References Figure. Centre national de référence des Rickettsia, Coxiella et Bartonella - IHU Méditerranée Infection.

AP-HM/AMU. Des scientifiques marseillais ont découvert que le moustique vecteur du paludisme pouvait transmettre la bactérie Rickettsia felis, responsable en Afrique de fièvres d’origine inconnue. – guatemalt

Ticks Tick Borne Dis. 2016 Feb 8. Molecular Diagnosis of Rickettsia Infection in Patients from Tunisia. Q Fever, Scrub Typhus, and Rickettsial Diseases in Children, Kenya, 2011–2012 - Volume 22, Number 5—May 2016. CDC EID - Volume 21, Number 4—April 2015 High Seroprevalence of Antibodies against Spotted Fever and Scrub Typhus Bacteria in Patients with Febrile Illness, Kenya. Author affiliations: Walter Reed Project/Kenya Medical Research Institute, Kisumu, Kenya (J.W.

CDC EID - Volume 21, Number 4—April 2015 High Seroprevalence of Antibodies against Spotted Fever and Scrub Typhus Bacteria in Patients with Febrile Illness, Kenya

Thiga, B.K. PARASITES AND VECTORS 31/12/13 Multispacer typing of Rickettsia isolates from humans and ticks in Tunisia revealing new genotypes. CDC EID - NOV 2013 - Common Epidemiology of Rickettsia felis Infection and Malaria, Africa. PARASITES & VECTORS 22/09/14 First molecular detection of Rickettsia africae in ticks from the Union of the Comoros. CDC EID - Volume 20, Number 10—October 2014. Au sommaire notamment: Borrelia garinii and Rickettsia monacensis in Ixodes ricinus Ticks, Algeria.

Suggested citation for this article To the Editor: Lyme disease (Lyme borreliosis) is caused by a group of related spirochetes (Borrelia burgdorferi sensu lato) that include ≥11 species (1).

CDC EID - Volume 20, Number 10—October 2014. Au sommaire notamment: Borrelia garinii and Rickettsia monacensis in Ixodes ricinus Ticks, Algeria

In northern Africa, the main vector of Lyme disease in Europe (Ixodes ricinus ticks) is also present, and this disease has been suspected to be present in this region of Africa (2). Twenty-one cases of Lyme disease were reported in Algiers, Algeria, during 1996–1999 (3). However, these cases were diagnosed by detection of only serum antibodies against B. burgdorferi by ELISA without confirmation by Western blotting. CDC EID - Volume 21, Number 2—February 2015 Novel Candidatus Rickettsia Species Detected in Nostril Tick from Human, Gabon, 2014. Author affiliations: University Hospital Ramón y Cajal, Madrid, Spain (R.

CDC EID - Volume 21, Number 2—February 2015 Novel Candidatus Rickettsia Species Detected in Nostril Tick from Human, Gabon, 2014

Lopez-Velez, F.F. Norman, J.A. Pérez-Molina); Hospital San Pedro–Center of Biomedical Research of La Rioja, Logroño, Spain (A.M. Palomar, J.A. Oteo, A. Suggested citation for this article Abstract We report the identification of a nymphal nostril tick (Amblyomma sp.) from a national park visitor in Gabon and subsequent molecular detection and characterization of tickborne bacteria.

Ticks are hematophagous arthropods that parasitize different species of vertebrates, and they serve as intermediate hosts for infectious pathogens that can have serious implications for humans. A 21-year-old female field worker from Spain visited Lopé National Park in Gabon (Africa) for 13 days during January–February 2014 to observe chimpanzees and gorillas.

Immature stages of Amblyomma ticks cannot be identified to the species level on the basis of morphologic features without allowing the nymph to molt. Acknowledgment References Figure. CDC EID - MARS 2010 – Rickettsia africae, Westen Africa. CDC EID - JANV 2011 - Emergence of Rickettsia africae, Oceania. Author affiliations: Author affiliations: Université de la Méditerranée, Marseille, France (C.

CDC EID - JANV 2011 - Emergence of Rickettsia africae, Oceania

Eldin, O. Mediannikov, B. Davoust, D. Raoult, P. Parola); French Army Health Service, Marseille (B. Suggested citation for this article Abstract. CDC EID JUILLET 2008 Spotted Fever Group Rickettsiae in Ticks, Morocco. CDC EID - OCT 2012 - Rickettsia felis in Aedes albopictus Mosquitoes, Libreville, Gabon. Skip directly to local search Skip directly to A to Z list Skip directly to navigation Skip directly to site content Skip directly to page options CDC Home CDC 24/7: Saving Lives.

CDC EID - OCT 2012 - Rickettsia felis in Aedes albopictus Mosquitoes, Libreville, Gabon

Protecting People.™ <div class="noscript"> Note: Javascript is disabled or is not supported by your browser. Emerging Infectious Disease ISSN: 1080-6059 Volume 18, Number 10—October 2012 Letter. CDC EID - FEV 2013 - Au sommaire: High Seroprevalence for Typhus Group Rickettsiae, Southwestern Tanzania.

Skip directly to local search Skip directly to A to Z list Skip directly to navigation Skip directly to site content Skip directly to page options CDC Home CDC 24/7: Saving Lives.

CDC EID - FEV 2013 - Au sommaire: High Seroprevalence for Typhus Group Rickettsiae, Southwestern Tanzania

Protecting People.™ <div class="noscript"> Note: Javascript is disabled or is not supported by your browser. Emerging Infectious Disease ISSN: 1080-6059. PLOS 21/03/16 Diversity of Bartonella and Rickettsia spp. in Bats and Their Blood-Feeding Ectoparasites from South Africa and Swaziland. Abstract In addition to several emerging viruses, bats have been reported to host multiple bacteria but their zoonotic threats remain poorly understood, especially in Africa where the diversity of bats is important.

PLOS 21/03/16 Diversity of Bartonella and Rickettsia spp. in Bats and Their Blood-Feeding Ectoparasites from South Africa and Swaziland

Here, we investigated the presence and diversity of Bartonella and Rickettsia spp. in bats and their ectoparasites (Diptera and Siphonaptera) collected across South Africa and Swaziland. We collected 384 blood samples and 14 ectoparasites across 29 different bat species and found positive samples in four insectivorous and two frugivorous bat species, as well as their Nycteribiidae flies. Phylogenetic analyses revealed diverse Bartonella genotypes and one main group of Rickettsia, distinct from those previously reported in bats and their ectoparasites, and for some closely related to human pathogens. Our results suggest a differential pattern of host specificity depending on bat species.