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  • Title: HBV and HAV infection in chronic hepatitis in Argentina.
    Author: Tanno H, Fay OH, Roncoroni M, Palazzi J.
    Journal: J Med Virol; 1981; 7(1):61-5. PubMed ID: 7241099.
    Abstract:
    Sera of 155 chronic hepatitis (CH) patients in Argentina were tested for the presence of HBsAg, anti-HBs, anti-HBc, and anti-HAV. Our purpose was to define the role that both virus A and B might play in the etiology and pathogenesis of this condition. The patients were divided into two groups: group I (57) HBsAg-negative; group II (98) HBsAg-positive. The control group consisted of 1,209 healthy blood donors from Banco Central de Sangre de Rosario; 286/1,209 (24%) had viral markers for HBV. In group I, 38/57 (67%) had anti-HBs and/or anti-HBc, but none had anti-HBs alone. Group II showed a higher percentage of males (P less than 0.05). We found similar incidence of anti-HAV among group I, group II, and the control group.
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