Single-Dose Universal Hepatitis A Immunization in Argentina: Low Viral Circulation and High Persistence of Protective Antibodies Up to 4 Years
Author(s) -
Carla Vizzotti,
Jorge González,
Analía Rearte,
Analía Urueña,
María Pérez Carrega,
Rogelio Calli,
Ángela Gentile,
Andrea Uboldi,
Margarita Ramonet,
María Cristina Cañero-Velasco,
Máximo Diosque
Publication year - 2014
Publication title -
journal of the pediatric infectious diseases society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.269
H-Index - 31
eISSN - 2048-7207
pISSN - 2048-7193
DOI - 10.1093/jpids/piu068
Subject(s) - medicine , confidence interval , seroprevalence , antibody , vaccination , odds ratio , hepatitis a , immunology , hepatitis , serology
Single-dose hepatitis A virus (HAV) vaccination was implemented in all Argentinean children aged 12 months in 2005. Between 2005 and 2011, a dramatic decline was observed in HAV infection rates, fulminant hepatitis, and liver transplantation. This study assessed current viral circulation and estimated protective antibody persistence 4 years after vaccination.
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