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Seroprevalence of Q fever among human and animal in Iran; A systematic review and meta-analysis

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  • Ashraf Mohabbati Mobarez
  • Fahimeh Bagheri Amiri
  • Saber Esmaeili

Abstract

Background: Q fever is a main zoonotic disease around the world. The aim of this meta-analysis was to estimate the overall seroprevalence of Coxiella burnetii among human and animal population in Iran. Methods: Major national and international databases were searched from 2005 up to August 2016. We extracted the prevalence of Q fever antibodies (IgG) as the main primary outcome. We reported the prevalence of the seropositivity as point and 95% confidence intervals. Results: The overall seroprevalence of IgG phase I and II antibodies of Q fever in human was 19.80% (95% CI: 16.35–23.25%) and 32.86% (95% CI: 23.80–41.92%), respectively. The herd and individual prevalence of C. burnetii antibody in goat were 93.42% (95% CI: 80.23–100.00) and 31.97% (95% CI: 20.96–42.98%), respectively. The herd and individual prevalence of Q fever antibody in sheep's were 96.07% (95% CI: 89.11–100.00%) and 24.66% (95% CI: 19.81–29.51%), respectively. The herd and individual prevalence of C. burnetii antibody in cattle were 41.37% (95% CI: 17.88–64.86%) and 13.30% (95% CI: 2.98–23.62%), respectively. Individual seropositivity of Q fever in camel and dog were 28.26% (95% CI: 21.47–35.05) and 0.55% (0.03–2.68), respectively. Conclusion: Seroprevalence of Q fever among human and domestic animals is considerable. Preventative planning and control of C. burnetii infections in Iran is necessary. Active surveillance and further research studies are recommended, to more clearly define the epidemiology and importance of C. burnetii infections in animals and people in Iran. Author summary: Q fever is a zoonotic diseases caused by a bacterium so called Coxiella burnetii. Domestic ruminants (primarily cattle, sheep and goats) are the most important reservoir of C. burnetii in the nature. Q fever is mostly asymptomatic in livestock and animals. Clinical manifestations of Q fever in humans includes asymptomatic, acute, chronic to fatigue syndrome. Acute Q fever is defined as primary infection with C. burnetii, and

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  • Ashraf Mohabbati Mobarez & Fahimeh Bagheri Amiri & Saber Esmaeili, 2017. "Seroprevalence of Q fever among human and animal in Iran; A systematic review and meta-analysis," PLOS Neglected Tropical Diseases, Public Library of Science, vol. 11(4), pages 1-15, April.
    • Handle: RePEc:plo:pntd00:0005521
    DOI: 10.1371/journal.pntd.0005521
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