Vitral, Claudia Lamarca <br/><br/>
Declining prevalence of hepatitis A virus antibodies among children from low socioeconomic groups reinforces the need for the implementation of hepatitis A vaccination in Brazil.  [electronic resource] 

 -  Memorias do Instituto Oswaldo Cruz  Aug 2012 
 - 652-8 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1678-8060 
<br/><br/><label>Standard No.: </label>10.1590/s0074-02762012000500012  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Age Distribution<br/>Brazil--epidemiology<br/>Child<br/>Child, Preschool<br/>Cross-Sectional Studies<br/>Female<br/>Hepatitis A--epidemiology<br/>Hepatitis A Antibodies--blood<br/>Hepatitis A Vaccines<br/>Hepatitis A Virus, Human--immunology<br/>Humans<br/>Infant<br/>Male<br/>Prevalence<br/>Seroepidemiologic Studies<br/>Socioeconomic Factors<br/>Urban Population