[A prevalence study of viral hepatitis B infection in a closed-type children's collective--the Cluj-Napoca Children's Orphanage]

MeSH terms

• Carrier State / epidemiology
• Carrier State / immunology
• Child
• Child, Institutionalized / statistics & numerical data*
• Child, Preschool
• Hepatitis B / epidemiology*
• Hepatitis B / immunology
• Hepatitis B Surface Antigens / blood
• Humans
• Infant
• Prevalence
• Romania / epidemiology
• Seroepidemiologic Studies