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  • Title: Molecular and serological data supporting the role of Q fever in abortions of sheep and goats in northern Egypt.
    Author: Selim A, Ali AF, Moustafa SM, Ramadan E.
    Journal: Microb Pathog; 2018 Dec; 125():272-275. PubMed ID: 30243553.
    Abstract:
    Q fever is a worldwide zoonotic disease, caused by Coxiella burnetii (C. burnetii), an obligate intracellular bacterium. The epidemiological data about the Q fever situation in Egypt is limited. The present study investigated the seroprevalence of Q fever among small ruminants in some localities in the northern Egypt and reported the shedders using specific real-time PCR (Rt-PCR). A total of 190 sera and vaginal swabs (110 sheep and 80 goats) were collected from aborted cases. Indirect ELISA was used to detect specific antibodies against C. burnetii, and Rt-PCR was used to detect DNA in the shedder animals. The study revealed that infection was significantly higher in sheep (22.7%) than in goats (12.5%) (p < 0.05). The Menoufia and Gharbia governorates had 20% seropositive animals while Qalubia and Alexandria had 15% and 17.5% seropositive animals, respectively. Using a Rt - PCR assay, C. burnetii was detected in 33.6% and 16.3% of sheep and goats, respectively. The findings of the study demonstrate that Q fever may be enzootic among small ruminants and distributed in the northern Egyptian Governorates. Further studies are needed in different regions to gain better understanding of the epidemiology of Q fever all over the country and to develop an appropriate preventive strategy for human and animals.
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