Seroprevalence and risk factors for C. burentii infection in camels in Egypt

Selim, Abdelfattah; Ali, Abdel-Fattah

doi:10.1016/j.cimid.2019.101402

Cited by 41 publications

(31 citation statements)

References 24 publications

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“…This finding is consistent with those of [5,37]. This result may be attributable to the roaming behaviour of males [20] or a host immune response that results from the properties of the testosterone hormone in males [38][39][40][41].…”

Section: Discussionsupporting

confidence: 86%

Seroprevalence and Risk Factors Associated with Canine Leishmaniasis in Egypt

Selim

Shoulah

Abdelhady³

et al. 2021

Veterinary Sciences

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Background: Canine leishmaniasis (CanL) is caused by Leishmania infantum (L. infantum) that is transmitted by sand fly vectors with dogs acting as the main reservoir. Methods: The present study aimed to determine the seroprevalence of CanL in dogs from Egypt and assessed the associated risk factors. The study was conducted from 2019 to 2020 in five governorates situated in Northern Egypt. Serum samples from 450 asymptomatic dogs were serologically examined by use of enzyme-linked immunosorbent assay (ELISA). Results: Overall, the seroprevalence rate of CanL was 21.3% and the highest rates were observed in Cairo and Giza governorates. The univariable analysis revealed that the seropositivity of CanL was strongly related to the dogs′ ages, length of hair, absence of veterinary care or application of insecticides, and the type of floor of their shelters. The risk factors that were found to be associated with CanL in exposed dogs were: age group 2–4 years old (OR = 12, 95% CI: 1.6–92.3); short hair (OR = 2.07, 95% CI: 1.2–3.6); absence of veterinary care (OR = 2.7, 95% CI: 1.3–5.8); no application of insecticides (OR = 3.09, 95% CI: 1.5–6.5) and their residence in a shelter with an earthen floor (OR = 1.42, 95% CI: 0.7–2.9). Conclusions: Based on the present results, CanL is present in Egyptian dogs and this increases the possibility of transmission by sand fly to humans with whom they have contact. Consequently, an efficient monitoring programme and effective control measures are important to reduce the risk of infection.

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Section: Discussionsupporting

confidence: 86%

Seroprevalence and Risk Factors Associated with Canine Leishmaniasis in Egypt

Selim

Shoulah

Abdelhady³

et al. 2021

Veterinary Sciences

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“…Our findings were in agreement with those of Menadi et al (2020) and Keshavamurthy et al (2020) investigating cattle, Maurin and Raoult (1999) and Rizzo et al (2016) examining small ruminants. However, Benaissa et al (2017) and Selim and Ali (2020) reported no significant relationship between Q fever infection in dromedaries and contact with small ruminants. In the current study, the contact of horses with dromedaries was identified as a risk factor for C. burnetii infection.…”

Section: Discussionmentioning

confidence: 93%

Coxiella Burnetii in Horses of Algeria: Seroprevalence and Associated Risk Factors

Ansel¹,

Benfodil²,

Cherif³

et al. 2020

WVJ

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The Q fever is a worldwide zoonotic disease caused by Coxiella burnetii (an obligate intracellular bacterium). This pathogen affects humans, ruminants, equines, carnivores, rodents, and birds. A cross-sectional study was carried out from March 2017 to May 2018 to assess the seroprevalence and identify the risk factors of C. burnetii infection in horses (Equus Caballus) residing in three districts of Algerian, namely Tiaret, El-Bayadh, and Ghardaia. Serum samples collected from 182 horses were analyzed via enzyme-linked immunosorbent assay (ELISA). Association of seropositivity with potential risk factors related to animals (e.g., age, gender, breed, housing, and presence of ticks), breeding characteristics (e.g., geographical localization, contact with animals), and environmental characteristics (i.e., presence of water source) was analyzed by univariate and multivariate logistic regression. An overall seroprevalence of 9.9% (18/182) was obtained. The univariate analysis of risk factors for C. burnetii seroprevalence demonstrated higher seropositivity in horses that had contact with small ruminants (p=0.004) and dromedaries (p=0.002) as well as in those living near a water source (p=0.036) and in El-Bayadh district (p=0.005). The multivariate logistic regression analysis indicated that the risk of C. burnetii infection was significantly higher in horses that were in contact with small ruminants (RR: 15.6). Algeria is endemic for Q fever in horses and prophylactic measures must be taken to reduce /prevent its transmission to animals and humans.

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“…Interestingly, the absence of a control program, periodical surveillance for BLV infection among dairy cattle, periodical markets, and random movement of animals between Governorates could play an essential role in transmitting the disease [21,[39][40][41].…”

Section: Discussionmentioning

confidence: 99%

Seroprevalence, Risk Factors and Molecular Identification of Bovine Leukemia Virus in Egyptian Cattle

Selim

Manaa

Alanazi

et al. 2021

Animals

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Bovine leukemia virus (BLV) is distributed worldwide and affects dairy cattle causing severe economic losses. The BLV has been serologically reported in Egypt, but few studies have evaluated its associated risk factors and genetic classification. Therefore, this study assessed risk factors associated with BLV infection and identified the genetic diversity of the Egyptian strain. The study was conducted on 500 dairy cattle distributed in four Governorates located in Northern Egypt. Overall, the seroprevalence of BLV infection among Egyptian dairy cattle was 18.2%. The grazing cattle in the losing house system had higher odds for BLV seropositivity, and bad practice such as the use of a single needle or one plastic glove for more than one animal was considered a significant risk factor for BLV infection. Besides, the sequencing and phylogenetic analysis for one Egyptian BLV strain was performed, and the obtained results confirmed the clustering of Egyptian BLV strain into genotype-1. The assessment of associated risk factors for BLV infection and determination of its genetic classification are essential to implement an effective control program.

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Seroprevalence and risk factors for C. burentii infection in camels in Egypt

Cited by 41 publications

References 24 publications

Seroprevalence and Risk Factors Associated with Canine Leishmaniasis in Egypt

Seroprevalence and Risk Factors Associated with Canine Leishmaniasis in Egypt

Coxiella Burnetii in Horses of Algeria: Seroprevalence and Associated Risk Factors

Seroprevalence, Risk Factors and Molecular Identification of Bovine Leukemia Virus in Egyptian Cattle

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