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Serological Evidence of Bluetongue in Iran: A Meta-Analysis Study

Masoud Hassani1* and Omid Madadgar2,3

1Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran; 2Department of Microbiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran; 3Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, USA.

*Correspondence | Masoud Hassani, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran; Email:


Bluetongue is an infectious viral disease that is endemic in the domestic livestock populations of all tropical and subtropical countries. BT was first reported in Iran in 1972, however until now there is the absence of comprehensive information on the BT status in Iran. We aimed to present the seroprevalence on BT in farm animals of Iran based-on a meta-analysis study. The meta-analysis study was conducted in national and international databases to find articles which evaluated bluetongue seroprevalence by antibody-captured ELISA test in livestock in Iran by searching terms including bluetongue, sheep, ovine, goat, caprine, cow, cattle, bovine, buffalo, camel, Iran and prevalence alone or in combination in both English and Farsi language. After reviewing 82 published articles, a total of 48 studies from 29 articles were eligible to be included in this meta-analysis study. The total seroprevalence of bluetongue in apparently healthy sheep, goat, cow and camel at animal level based on ELISA test was 50.4% (95% CI= 43.5–57.2), 79.2% (95% CI= 70.7–85.8), 3.3% (95% CI= 0.6–15.0) and 44.8% (95% CI= 20.8–71.5), respectively. The estimated pooled odds ratios between abortion history and bluetongue infection estimated among sheep (OR=1.75, 95 % CI= 0.84 to 3.68) and goat (OR=2.93, 95 % CI= 1.26 to 6.80). A well-defined control strategy for preventing and controlling BTV spread in Iran should be based on further studies on BT epidemiology and BTV serotypes, vector control, animal movement restrictions and vaccination program to reduce.

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Veterinary Sciences: Research and Reviews


Vol. 9, Iss. 2, Pages 87-184


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