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Epidemiology of hepatitis B virus in non-institutionalized children and adolescents affected by handicap

V Di Ciommo1, F Ferrario, M Rossi De Gasperi

  • 1Adolescent Medicine Service, Ospedale Bambino Gesù, Palidoro, Rome, Italy.

Insights

Hepatitis B virus (HBV) prevalence is low in handicapped children aged 1-19 in Southern Italy, with only 4.2% testing positive for HBV markers. This suggests current vaccination strategies are effective for this population.

Area of Science:

  • Virology
  • Immunology
  • Pediatrics

Background:

  • Hepatitis B virus (HBV) infection poses a significant global health challenge.
  • Understanding HBV prevalence in specific pediatric populations is crucial for targeted public health interventions.
  • Handicapped children may represent a unique demographic for studying infectious disease patterns due to potential healthcare access variations.

Purpose of the Study:

  • To determine the seroprevalence of hepatitis B virus (HBV) markers in non-institutionalized handicapped children aged 1-19 years.
  • To assess the need for specific HBV vaccination strategies in this population and their close contacts.
  • To compare HBV prevalence in this cohort with healthcare personnel.

Main Methods:

  • Cross-sectional study evaluating HBV markers (anti-HBc, anti-HBs, HBsAg) in 70 handicapped patients (1-19 years old).
  • Data collected on geographical location (Southern Italy) and specific conditions (Down's syndrome).
  • Serological testing performed on healthcare personnel for comparison.

Main Results:

  • Only 3 out of 70 (4.2%) patients tested positive for anti-HBc, with one also positive for anti-HBs.
  • No patients tested positive for HBsAg, indicating no active HBV infection in the studied group.
  • HBV seroprevalence among healthcare personnel was 11.3%.

Conclusions:

  • The low prevalence of HBV markers in handicapped children suggests effective existing vaccination programs.
  • No specific HBV vaccination strategy adjustments are immediately indicated for this pediatric subset or their contacts.
  • Healthcare personnel exhibited a higher HBV seroprevalence compared to the studied pediatric population.

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