Epidemiological characteristics of viral hepatitis in Varna region for 2014-2019. First part. Incidence of viral hepatitis in Varna and Bulgaria for 2014-2019 - a comparative analysis

Hepatitis is a polyetiological disease. Viral hepatitis is one of the most common infectious diseases in the world, including in our country. Hepatitis is highly contagious (with hepatitis B being 100 times more contagious than HIV). Hepatitis B and C together are one of the biggest global health threats, killing approximately 1 million people a year. In Bulgaria in 1951. mandatory registration begins of hepatitis called „epidemic hepatitis“. Separate registration by three types of hepatitis began in 1981: VHA, VHV, VH Indefinite. Aim To make a comparative characteristic of the registered incidence of viral hepatitis in Varna and Bulgaria for the period 2014-2019. Materials Quick notifications, registration documents, reports, analyzes of laboratory tests of RCTH Varna and Virology Laboratory of RHI Varna, NCIPD Sofia, health education materials. Methods Documentary, statistical, laboratory, partial epidemiological analysis, graphic presentation of the results. Results There is a great variety of types of hepatitis in different years. The morbidity is small. VHA is leading with significantly lower incidence, followed by VHV, VHN and VHC. No registered VHD for the entire period. Conclusions 1. The incidence of VHA in Varna district is two to four times lower than in the country for 2014-2019. 2. The incidence of VHN is higher than that for the country, as autoimmune, toxic, metabolic, and other non-infectious hepatitis are included here. 3. Good organization has been established for registration, examination, hospitalization and study of epidemic outbreaks in the district of Varna, pursuant to Ordinance 43/1995 of the Ministry of Health.