2018 •
Tularemia transmission to humans: a multifaceted surveillance approach.
Authors:
Akhvlediani N, I. Burjanadze, D. Baliashvili, T. Tushishvili, M. Broladze, A. Navdarashvili, S. Dolbadze, N. Chitadze, M. Topuridze, Paata Imnadze, N. Kazakhashvili, T. Tsertsvadze, Kuchuloria T, T. Akhvlediani, Louise-Anne McNutt, G. Chanturia
Abstract:AbstractTularemia has sustained seroprevalence in Eurasia, with estimates as high as 15% in endemic regions. The purpose of this report is to characterise the current epidemiology of Francisella tularensis subspecies holarctica in Georgia. Three surveillance activities are summarised: (1) acute infections captured in Georgia's notifiable disease surveillance system, (2) infectious disease seroprevalence study of military volunteers, and (3) a study of seropre (...) AbstractTularemia has sustained seroprevalence in Eurasia, with estimates as high as 15% in endemic regions. The purpose of this report is to characterise the current epidemiology of Francisella tularensis subspecies holarctica in Georgia. Three surveillance activities are summarised: (1) acute infections captured in Georgia's notifiable disease surveillance system, (2) infectious disease seroprevalence study of military volunteers, and (3) a study of seroprevalence and risk factors in endemic regions. Descriptive analyses of demographic, exposure and clinical factors were conducted for the surveillance studies; bivariate analyses were computed to identify risk factors of seropositivity using likelihood ratio χ2 tests or Fisher's exact tests. Of the 19 incident cases reported between 2014 and August 2017, 10 were confirmed and nine met the presumptive definition; the estimated annual incidence was 0.12/100 000. The first cases of tularemia in Western Georgia were reported. Seroprevalences of antibodies for F. tularensis were 2.0% for military volunteers and 5.0% for residents in endemic regions. Exposures correlated with seropositivity included work with hay and contact with multiple types of animals. Seroprevalence studies conducted periodically may enhance our understanding of tularemia in countries with dramatically underestimated incidence rates.(Read More)
N. Akhvlediani, I. Burjanadze, D. Baliashvili, T. Tushishvili, M. Broladze, A. Navdarashvili, S. Dol (...)
Epidemiology and Infection ·
2018
Environmental health |
Demography |
Veterinary medicine |
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