Crimean-Congo haemorrhagic fever (CCHF) causes haemorrhagic disease in human beings with high mortality rate and it is typically asymptomatic in animals. Data for livestock exposure to CCHF and its risk in Mosul, Iraq are scarce. Therefore, the present study was designed to investigate the sero-prevalence of CCHF in sheep and goats and some risk factors for the disease. From April 2019 to October 2019, two hundred blood samples (from 120 sheep and 80 goats) were collected from privately-owned farms located in different parts of Mosul city. Specific IgG antibodies against CCHF virus were examined using indirect enzyme linked immunosorbent assay kit (I-ELISA). The results revealed an overall prevalence rate of 14%, 19.16% and 6.25% in sheep and goats respectively. Significantly (P≤0.05) higher prevalence was recorded in imported sheep (23.3%) compared with the local sheep breed (6.66%), as well significant (P≤0.05) variations of risk between tick-infested and tick-free animals. CCHF detected in sheep and goats constitutes a risk to public health in Mosul city, Iraq. More studies are recommended to further investigate the disease in other animal species.
Crimean-Congo hemorrhagic fever (CCHF) is described as a tick-borne viral zoonosis highly prevalent in Africa, Asia, Russia and the Balkans within the distribution range of ticks that belong to the genus Hyalomma. This research aimed to verify the seroprevalence of CCHF in cows employing Indirect enzyme-linked immunosorbent assay (I-ELISA) in Mosul city / Iraq, to examine some epidemiological risk factors related to the incidence of CCHF. From October 2019 -September 2020, one hundred eighty-four blood samples were taken from 3-8-year-old cattle of both sexes, from several management systems and origins, from various parts in Mosul city, 10 ml of blood was taken from the jugular vein in test tubes without anticoagulant to obtain the sera for I-ELISA test, while epidemiological data were obtained by interviewing the farm-owners. I-ELISA was applied to detect the antibodies of CCHF in the serum. The overall seroprevalence of CCHF in cows was 40/184 (21.7%). As for the risk factors associated with increased seroprevalence of the disease, an increase in seroprevalence rates was observed at ages 6, 7 and 8 years 30.5%, among females 26.3% and imported animals 27.5%. which showed that the serological prevalence in indoor feeding and outdoor feeding, was not significantly different (p<0.05). This study concluded that there is a higher seroprevalence of CCHF in Mosul city along with many risk factors related to its incidence.
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