Correlation of serological and molecular markers in the screening for hepatitis B virus in blood bank in northern Brazil Lucas José do Nascimento Cruz; Katarine Antonia dos santos Barile; Carlos Eduardo de Melo Amaral;

High prevalence of serological weak D phenotype and preponderance of weak D type 4.0.1. genetic variant in a Nigerian population: implications for transfusion practice in a resource-limited setting Dauda Usman Maryam; Isyaku Gwarzo Mukhtar; Aminu Abba Yusuf; Ahmed Ibrahim Salisu;

SARS-COV-2 screening in allogeneic hematopoietic stem cell donors: Implications for the evaluation process and eligibility Roberto Crocchiolo; Francesco Alfarano; Elisabetta Volpato; Mariateresa Pugliano; Irene Cuppari; Anna Maria Mazza; Laura Bellio; Diana Fanti; Chiara Vismara; Francesco Scaglione; Nicoletta Sacchi; Simona Pollichieni; Lia Mele; Elisa Diral; Giovanni Grillo; Silvano Rossini;