Assessment of hepatitis B seroprevalence in Ukraine. Complete hepatitis testing. A) Objective: to complete anti-HBc Ab chemiluminescence testing and confirmatory HBsAg testing on serum samples from the population of Ukraine. A confirmatory HBsAg study will be conducted to confirm active infection in positive HBsAg samples. The results of the study will be presented to the World Health Organization. C) Expected results: The project makes it possible to determine the prevalence of hepatitis B virus in a selected population group in Ukraine and the number of subjects carrying active hepatitis B infection. Project implementation dates: 05/02/18-31/12/18 Budget: $16,420 The person responsible for the implementation of the project: Nazibrola Chitadze