Vector prevalence and detection of Crimean-Congo haemorrhagic fever virus in Golestan Province, Iran

Mohammad Mehdi Sedaghat; Moslem Sarani; Sadegh Chinikar; Zakiye Telmadarraiy; Abdolreza Salahi Moghaddam; Kamal Azam; Norbert Nowotny; Anthony R Fooks; Nariman Shahhosseini

doi:10.4103/0972-9062.225841

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RESEARCH ARTICLE

Year : 2017 | Volume : 54 | Issue : 4 | Page : 353-357

Vector prevalence and detection of Crimean-Congo haemorrhagic fever virus in Golestan Province, Iran

Mohammad Mehdi Sedaghat¹, Moslem Sarani¹, Sadegh Chinikar², Zakiye Telmadarraiy¹, Abdolreza Salahi Moghaddam³, Kamal Azam⁴, Norbert Nowotny⁵, Anthony R Fooks⁶, Nariman Shahhosseini⁷
¹ Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
² Pasteur Institute of Iran, Tehran, Iran
³ Department of Pathobiology, Hormuzgan University of Medical Sciences, Bandar Abbas, Iran
⁴ Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
⁵ Institute of Virology, Department of Pathobiology, University of Veterinary Medicine, Vienna, Austria; Department of Basic Medical Sciences, College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, UAE
⁶ Wildlife Zoonoses and Vector-Borne Diseases Research Group, Animal and Plant Health Agency (APHA), Surrey; National Consortium for Zoonosis Research, University of Liverpool, Liverpool, UK
⁷ Bernhard Nocht Institute for Tropical Medicine, WHO Collaborating Centre for Arbovirus and Haemorrhagic Fever Reference and Research, Hamburg, Germany

Correspondence Address:
Nariman Shahhosseini
Bernhard Nocht Strasse 74, 20359, Hamburg
Germany

Source of Support: None, Conflict of Interest: None

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DOI: 10.4103/0972-9062.225841

Background & objectives: Crimean-Congo haemorrhagic fever virus (CCHFV) causes severe disease with fatality rate of 30%. The virus is transmitted to humans through the bite of an infected tick, direct contact with the products of infected livestock as well as nosocomially. The disease occurs sporadically throughout many of African, Asian and European countries. Different species of ticks serve either as vector or reservoir for CCHFV. This study was aimed to determine the prevalence of CCHFV in hard ticks (Ixodidae) in the Golestan Province of Iran. Methods: A molecular survey was conducted on hard ticks (Ixodidae) isolated from six counties in Golestan Province, north of Iran during 2014–15. The ticks were identified using morphological characteristics and presence of CCHFV RNA was detected using RT-PCR. Results: Data revealed the presence of CCHFV in 5.3% of the ticks selected for screening. The infected ticks belonged to Hyalomma dromedarii, Hy. anatolicum, Hy. marginatum and Rhipicephalus sanguineus species. Interpretation & conclusion: The study demonstrated that Hyalomma ticks are the main vectors of CCHFV in Golestan Province. Thus, preventive strategies such as using acaricides and repellents in order to avoid contact with Hyalomma ticks are proposed.

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CCHFV; Golestan Province; Iran; Ixodidae tick

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