Stray dogs of northern Jordan as reservoirs of ticks and tick-borne hemopathogens

Qablan, Moneeb A.; Kubelová, Michaela; Široký, Pavel; Modrý, David; Amr, Zuhair S.

doi:10.1007/s00436-012-2839-4

Cited by 25 publications

(19 citation statements)

References 39 publications

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“…In addition, human infestation with R. sanguineus ( s.l .) has also been reported [47, 57, 59], suggesting that A. platys could be transmitted to humans through the bite of this tick species. Moreover, all human cases infected with A. platys had regular contact with dogs and/or reported infestation of their dogs with R. sanguineus ( s.l .)…”

Section: Discussionmentioning

confidence: 88%

“…(95.1%) followed by two Haemaphysalis species, whereas no I. ricinus was collected from these dogs. The authors suggested that the ticks found in their study could be a possible competent vector of the pathogens detected including A. phagocytophilum [57]. Further studies are necessary to evaluate the ability of Rhipicephalus ticks in transmitting A. phagocytophilum .…”

Section: Discussionmentioning

confidence: 99%

“…is the most common tick in the Mediterranean region [57]. It is known to transmit several pathogens including Rickettsia conorii, Babesia canis, Hepatozoon canis and E. canis and probably Bartonella spp., Mycoplasma haemocanis and A. platys [46].…”

Section: Discussionmentioning

confidence: 99%

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Anaplasma spp. in dogs and owners in north-western Morocco

et al. 2017

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Background Anaplasma phagocytophilum is an emerging tick-borne zoonotic pathogen of increased interest worldwide which has been detected in northern Africa. Anaplasma platys is also present in this region and could possibly have a zoonotic potential. However, only one recent article reports on the human esposure to A. phagocytophilum in Morocco and no data are available on canine exposure to both bacteria. Therefore, we conducted a cross-sectional epidemiological study aiming to assess both canine and human exposure to Anaplasma spp. in Morocco. A total of 425 dogs (95 urban, 160 rural and 175 working dogs) and 11 dog owners were sampled from four cities of Morocco. Canine blood samples were screened for Anaplasma spp. antibodies by an enzyme-linked immunosorbent assay (ELISA) and for A. phagocytophilum and A. platys DNA by a real-time polymerase chain reaction (RT-PCR) targeting the msp2 gene. Human sera were tested for specific A. phagocytophilum immunoglobulin G (IgG) using a commercial immunofluorescence assay (IFA) kit.Results Anaplasma spp. antibodies and A. platys DNA were detected in 21.9 and 7.5% of the dogs, respectively. Anaplasma phagocytophilum DNA was not amplified. Anaplasma platys DNA was significantly more frequently amplified for working dogs. No statistically significant differences in the prevalence of Anaplasma spp. antibodies or A. platys DNA detection were observed between sexes, age classes or in relation to exposure to ticks. A total of 348 Rhipicephalus sanguineus (sensu lato) ticks were removed from 35 urban and working dogs. The majority of dog owners (7/10) were seroreactive to A. phagoyctophilum IgG (one sample was excluded because of hemolysis).ConclusionsThis study demonstrates the occurrence of Anaplasma spp. exposure and A. platys infection in dogs, and A. phagocytophilum exposure in humans in Morocco.

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Section: Discussionmentioning

confidence: 88%

Section: Discussionmentioning

confidence: 99%

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Anaplasma spp. in dogs and owners in north-western Morocco

et al. 2017

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“…One epidemiological survey on stray dogs from Jordan reporting 39.5% prevalence was published in 2012 [24]. Canine anaplasmosis seems quite prevalent in the Middle East.…”

Section: Discussionmentioning

confidence: 99%

“…Epidemiological surveys indicate a high prevalence of Anaplasma phagocytophilum in Italian hunting dogs (14.8%) [10], in pet dogs from Tunisia (25.2%) [21] and stray dogs from Jordan (39.5%) [24]. Anaplasma phagocytophilum was detected in 7.11% of 253 dogs from Brazil by PCR [25].…”

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confidence: 99%

Immune competence restoration after therapy with imidocarb dipropionate and doxycycline in dogs naturally infected with anaplasma phagocytophilum, agent of canine granulocytic anaplasmosis, in Dubai, United Arab Emirates

Pico¹,

Tarello²

2013

asb

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Canine granulocytic anaplasmosis is a tick-borne zoonotic disease caused by the obligate intracellular bacterium Anaplasma phagocytophilum that infect myeloid cells, primary neutrophils, of the host, including humans, dogs and many wildlife species. Anaplasmosis is often described as an immuno-suppressive condition characterized by leucopenia, neutropenia, lymphopenia, thrombocytopenia and non regenerative anemia that predispose to secondary infections. However, the level of such alterations and the type of associated secondary infections are rarely mentioned in literature. In order to provide numerical data on the condition we evaluated the presence and severity of secondary conditions and the degree of leucopenia, neutropenia, lymphopenia, thrombocytopenia and anemia recognizable in 15 cases of 376 May Vanneza Pico and Walter Tarello canine anaplasmosis observed in Dubai. Cellular immune-suppression was seen in all cases. Specific therapy for anaplasmosis, including 4 weekly injections of imidocarb dipropionate and a daily administration of 10 mg/kg of doxycycline for 21 days, was capable to restore the immune competence within 3 weeks, confirming that immunesuppression was due to anaplasmosis only. Secondary conditions noticed more often were demodicosis, ringworm and Malassezia yeast infection. Therapy for anaplasmosis significantly helped their elimination. In this presentation, we produce numeric data on the immunological defects expressed by canine anaplasmosis by using its specific therapy as a probe.

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