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 Claudia Lamarca Vitral; Fidel Leonardo Navarro Ospina; Solange Artimos; Juliana Gil Melgaço; Oswaldo Gonçalves Cruz; Vanessa Salete de Paula; Sérgio Bessa Luz; Marcos Freire; Luciane Pinto Gaspar; Luciane Almeida Amado; Elyne Montenegro Engstrom; Camila Dufrayer Fanzeres Monteiro Fortes; Tayla Coleta de Souza; Marisa Nishitani Dias; Ana Maria Coimbra Gaspar; Francisco José Dutra Souto PAGE: 652-658 | DOI: 10.1590/S0074-02762012000500012

An immunoenzymatic assay for the diagnosis of hepatitis A utilising immunoglobulin Y Alexandre dos Santos da Silva; Gentil Arthur Lins Bentes Mendonça de Vasconcelos; Livia Abud Kappel; Marcelo Alves Pinto; Vanessa Salete de Paula PAGE: 960-963 | DOI: 10.1590/S0074-02762012000700022

Early infection and asymptomatic spread of hepatitis A virus in a public child care center in Rio de Janeiro, Brazil: Should attending children under two years of age be vaccinated? Liliane M Morais; Vanessa S de Paula; Milton R Arantes; Maria LA Oliveira; Ana Maria C Gaspar PAGE: 401-405 | DOI: S0074-02762006000400010

Seroprevalence of Viral Hepatitis in Riverine Communities from the Western Region of the Brazilian Amazon Basin VSde Paula, ME Arruda, CLVitral, AMC Gaspar PAGE: 1123-1128

Age-specific Prevalence of Antibodies to Hepatitis A in Children and Adolescents from Rio de Janeiro, Brazil, 1978 and 1995. Relationship of Prevalence to Environmental Factors Claudia L Vitral, Clara FT Yoshida, Elba RS Lemos, Christiane S Teixeira, Ana MC Gaspar PAGE: 1-5

Cynomolgus monkeys (Macaca fascicularis) experimentally infected with B19V and hepatitis A virus: no evidence of the co-infection as a cause of acute liver failure Luciane Almeida Amado Leon, Renato Sergio Marchevsky, Ana Maria Coimbra Gaspar, Rita de Cassia Nasser Cubel Garcia, Adilson José de Almeida, Marcelo Pelajo-Machado, Tatiana Xavier de Castro, Jussara Pereira do Nascimento, Kevin E Brown, Marcelo Alves Pinto PAGE: 258-266 | DOI: 10.1590/0074-02760160013

Solubility as a limiting factor for expression of hepatitis A virus proteins in insect cell-baculovirus system Haroldo Cid da Silva Junior, Cristiane Pinheiro Pestana, Ricardo Galler, Marco Alberto Medeiros PAGE: 535-538 | DOI: 10.1590/0074-02760160153