No Detection of Crimean-Congo Hemorrhagic Fever Virus in Hard Ticks (Ixodidae) from a Highly Endemic Area in Southeast Iran
Introduction: Crimean-Congo Hemorrhagic Fever (CCHF) is a zoonotic viral infection transmitted mainly via CCHF virus-infected ticks between vertebrate hosts. The disease occurs in almost all provinces of Iran. This study investigated the CCHFV infection in hard ticks collected from livestock in t...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Pasteur Institute of Iran
2022-03-01
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| Series: | Journal of Medical Microbiology and Infectious Diseases |
| Subjects: | |
| Online Access: | https://jommid.pasteur.ac.ir/article-1-385-en.html |
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| Summary: | Introduction: Crimean-Congo Hemorrhagic Fever (CCHF) is a zoonotic viral
infection transmitted mainly via CCHF virus-infected ticks between vertebrate
hosts. The disease occurs in almost all provinces of Iran. This study investigated
the CCHFV infection in hard ticks collected from livestock in the Sistan region
of Sistan and Baluchestan Province, southeast of Iran. Methods: In this study,
ticks were collected from 220 livestock, including 150 sheep, 50 goats, 20 cows
in five counties of Sistan Province (Zabol, Zehak, Hirmand, Nimruz, and
Hamun). The ticks were identified under a stereomicroscope according to valid
morphological keys. A reverse transcription-polymerase chain reaction (RTPCR)
method was used to detect the CCHFV genome via amplifying the S
segment. Results: Among 100 selected ticks, RT-PCR revealed no CCHFV
infection. Conclusion: Although no ticks were positive for CCHFV, it should
be recalled that Sistan and Baluchestan province is among the highly endemic
CCHF foci. As a result, further investigation and larger sample sizes are required
to confirm our outcome. According to the hypothesis that direct contact with
viremic livestock is more significant than tick bites in the viral transmission,
more serological and molecular screening should be performed on high-risk
individuals, e.g., slaughterhouse staff, ranchers, farmers, and veterinarians in the
Sistan region. |
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| ISSN: | 2345-5349 2345-5330 |