title: [Concurrence of HBs antigen and anti-HBs antibodies in children infected with HBV].
abstract: Two cases of concurrence of HBs antigen and antibodies in boys, who acquired HBV infection within the first two years of life are described. Authors discuss possible explanation of that fact.
mesh_terms: D002648:Child; D005260:Female; D006509:Hepatitis B / Q000276:immunology* / Q000635:transmission; D006510:Hepatitis B Antibodies / Q000032:analysis*; D006511:Hepatitis B Antigens / Q000032:analysis*; D006801:Humans; D007112:Immunity, Maternally-Acquired / Q000276:immunology*; D007231:Infant, Newborn; D018445:Infectious Disease Transmission, Vertical; D008297:Male; D011247:Pregnancy
chemical_list: D006510:Hepatitis B Antibodies; D006511:Hepatitis B Antigens
vernacular_title: Współistnienie antygenu HBs i przeciwciał anty-HBs u dzieci zakaźonych HBV.