Molecular investigation of occult hepatitis B virus infection in a reference center in Northern Brazil Suellen dos Reis Araújo; Andreza Pinheiro Malheiros; Vânia Pinto Sarmento; Heloisa Marceliano Nunes; Pedro Eduardo Bonfim Freitas;

Genetic diversity of HBV in indigenous populations on the border between Brazil and Bolivia Fabianne Araújo Gomes dos Santos Alves; Felipe de Souza Nogueira Lima; Jessiane Rodrigues Ribeiro; Tárcio Peixoto Roca; Alcione de Oliveira dos Santos; Luan Felipo Botelho Souza; Juan Miguel Villalobos-Salcedo; Deusilene Souza Vieira;