DISTRIBUTION OF HBsAg AMONG DONORS OF WHOLE BLOOD IN THE MILITARY MEDICAL ACADEMY

Mandatory diagnosis of each unit donated blood for markers of transmissible infections is performed at the Center of Transfusion Haematology of the Military Medical Academy, in accordance with Ordinance 18/2004 of the Ministry of Health. The distribution of the surface antigen of hepatitis B was studied among donors of whole blood in MMA. The survey covered 9372 blood donors. Primary and repeated serological testing, removal of potentially infective units of blood and blood components and their destruction, con rmatory tests and permanent removal of infected donors detected by future donations were performed. For diagnostics of donations are used reagents which are authorized for use in Bulgaria and for each arrived batch tests with high speci city is required certi cate of quality. Steps have been made for protection, security and privacy of donors. The established prevalence of HBsAg among tested blood donors is 0,81%. The highest rate of spread of HVsAg has been established in the age group 41-50 years – 1,22%. The frequency of HVsAg positive men and women is very similar – 0,82 men and 0,75 women.