Description of the disease

Hepatitis B is an infectious disease caused by the hepatitis B virus (HBV), which contributes to liver dysfunction and inflammation in acute or chronic form, and in severe cases, liver cirrhosis or oncology can develop. The virus is transmitted through blood, in addition (in some cases) it is detected in body fluids (saliva, urine, semen, tears, vaginal secretions). Possible ways of infection of young children: from mother to child during pregnancy or childbirth; contact with an infected child in a children's group, on the playground during bites, fights, cuts; through personal hygiene items of the infected (scissors, toothbrush, etc.); during the performance of invasive medical manipulations (most often dental), cosmetology salons, with poor-quality processing of tools.