Correlation between ABO blood type, susceptibility to SARS-CoV-2 infection and COVID-19 disease severity: A systematic review Danyela Martins Bezerra Soares; David Augusto Batista Sá Araújo; Jorge Luiz de Brito de Souza; Rebeca Bessa Maurício; Emanuela Martins Bezerra Soares; Franklin de Castro Alves Neto; Maria Suelly Nogueira Pinheiro; Vitor Carneiro de Vasconcelos Gama; Pedro Braga-Neto; Paulo Ribeiro Nóbrega; Gislei Frota Aragão;

Effect of ABO blood groups on length of hospital stay according to age in Covid-19 patients Vildan Gursoy; Suna Avci;

Development and implementation of a COVID-19 convalescent plasma program in a middle-income economy Gustavo de Carvalho Duarte; Vivian Simoni; Glaciano Nogueira Ribeiro; Ricardo Haddad; Mariangela Moschen; Rodrigo Spessotto Morais Toledo; Maria Angela Pignata Ottoboni; Alfredo Mendrone-Junior; Dante Mario Langhi;