Anti-hepatitis A virus frequency in adolescents at an outpatient clinic in São Paulo, Brazil

Authors

  • Maria Isabel Saraiva Dinelli Federal University of São Paulo; Department of Pediatrics; Division of Pediatric Infectious Diseases
  • Mauro Fisberg Federal University of São Paulo; Department of Pediatrics; Adolescent Outpatient Clinic
  • Maria Isabel de Moraes-Pinto Federal University of São Paulo; Department of Pediatrics; Division of Pediatric Infectious Diseases

Keywords:

Hepatitis A, Adolescents, Seroprevalence, Brazil

Abstract

The prevalence of hepatitis A virus (HAV) antibodies was assessed in adolescents (age ranging from 10.4 to 19.9 years) at an Adolescent Outpatient Clinic in São Paulo, Brazil. Anti-HAV was detected in 137 (54.2%) out of 253 individuals. When separated into two age groups, anti-HAV frequency was higher in the 15 to 19 year-old group (64%) in comparison to the 10 to 14 year-old group (46%) (Chi-square test: p = 0.004). These results suggest that adolescents in São Paulo are at risk of hepatitis A infection and are probably contracting HAV infection during this age period.

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Published

2006-02-01

Issue

Vol. 48 No. 1 (2006)

Section

Hepatitis

How to Cite

Dinelli, M. I. S., Fisberg, M., & Moraes-Pinto, M. I. de. (2006). Anti-hepatitis A virus frequency in adolescents at an outpatient clinic in São Paulo, Brazil . Revista Do Instituto De Medicina Tropical De São Paulo, 48(1), 43-44. https://revistas.usp.br/rimtsp/article/view/30967