Varicella susceptibility and transmission dynamics in Slovenia
نویسندگان
چکیده
BACKGROUND A cross-sectional, age-stratified study was conducted to determine varicella-zoster seroprevalence and force of infection in Slovenia. METHODS 3689 serum samples were tested for VZV IgG antibodies with an enzyme immunoassay. Semiparametric and parametric modelling were used to estimate the force of infection. RESULTS Overall, 85.6% of serum samples were seropositive. Age-specific prevalence rose rapidly in preschool children and over 90% of 8 years old tested positive for VZV. However, 2.8% of serum samples among women of childbearing age were seronegative. Semiparametric modelling yielded force of infection estimates of 0.182 (95% CI 0.158-0.206), 0.367 (95% CI 0.285-0.448) and 0.008 (95% CI 0.0-0.032) for age groups 0.5- < 6, 6-11 and >or=12 years, respectively, and 0.175 (95% CI 0.147-0.202), 0.391 (95% CI 0.303-0.480) and 0.025 (95% CI 0.003-0.046) for age groups 0.5- < 5, 5-9 and >or=10 years, respectively. CONCLUSIONS Regardless of the age grouping used, the highest transmission occurred in children in their first years of school.
منابع مشابه
Author ' s response to reviews Title : Varicella susceptibility and transmission dynamics in Slovenia
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عنوان ژورنال:
دوره 10 شماره
صفحات -
تاریخ انتشار 2010