Seroprevalence of hepatitis B and C in the Western Brazilian Amazon region (Rio Branco, Acre): a pilot study carried out during a hepatitis B vaccination program

by J. Tavares-Neto, D. Almeida, M. C. Soares, R. Uchoa, S. Viana, R. Darub, E. Farias, G. Rocha, L. Vitvitski, R. Paraná

Comparative study of Hepatitis C virus genotypes 1 and 3 in Salvador, Bahia

by L. Codes, L.A.R. de Freitas, R. Santos- Jesus, L. Vitvitski, L.K. Silva, C. Trepo, M.G. Reis, R. Paraná