Volume 33, Issue 1 (2-2019)                   Med J Islam Repub Iran 2019 | Back to browse issues page


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Saghafipour A, Mousazadeh-Mojarrad A, Arzamani N, Telmadarraiy Z, Rajabzadeh R, Arzamani K. Molecular and seroepidemiological survey on Crimean-Congo Hemorrhagic Fever Virus in Northeast of Iran . Med J Islam Repub Iran. 2019; 33 (1) :249-254
URL: http://mjiri.iums.ac.ir/article-1-4725-en.html
Vector-borne Diseases Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran , Arzamanik@gmail.com
Abstract:   (616 Views)
Background: Crimean-Congo hemorrhagic fever (CCHF) is a prevalent tick-borne disease in different regions of Iran. This molecular and serologic study was performed to investigate the Crimean-Congo hemorrhagic fever virus (CCHFV) in collected ticks and in blood samples of some domestic animals in North Khorasan, Northeast of Iran.
   Methods: In this cross sectional study, 136 blood samples from domestic animals (sheep, goats, and cows) collected in the Northeast region in Iran were examined using IgG ELISA assay. Ticks (n = 1478) were collected from sheep, goats, and cows. Out of all collected ticks, 62 specimens were investigated for CCHF virus genome using RT-PCR technique. The data were descriptively presented by median and 95% confidence interval (CI).
   Results: CCHFV infection rate was 8.1% in studied ticks. Two species of ticks, Hy. anatolicum (n=3; 15%, 95% CI 9.41–20.59) and Rh. sanguineus (n=2; 6.9%, 95%CI 4.33–8.58), were infected with CCHFV genome and were probable vectors of CCHF virus in the area. Infection rate was 15.4% for CCHFV in tested domestic animals. Serologic tests detected CCHFV specific IgG antibodies in 16.2% (95% CI 13.49–18.83) (99/16) and 19.2% (95% CI 13.26–25.20) (26/5) of sheep and goats, respectively.
   Conclusion: The present study showed that domestic animals and ticks were infected with Crimean-Congo hemorrhagic fever virus and that the disease was endemic in North Khorasan province, Iran. However, further surveillance and prevention programs are recommended.
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Type of Study: Original Research | Subject: Health

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