Silvano Wendel, Jose Mauro Kutner, Rafael Machado, Rita Fontão-Wendel, Carolina Bub, Roberta Fachini, Ana Yokoyama, Gabriela Candelaria, Araci Sakashita, Ruth Achkar, Nelson Hamerschlak, Patricia Scuracchio, Marcelo Amaral, Mirian Dal Ben, Danielle Araujo, Camila Soares, Anamaria Camargo, Esper Kallás, Edison Durigon, Luiz Fernando Reis, Luiz Vicente Rizzo
BACKGROUND: Coronavirus disease 2019 (COVID-19) convalescent plasma (CCP) collection began in two Brazilian hospitals for treatment of severe/critical patients. METHODS AND MATERIALS: Mild/moderate COVID-19 convalescents were selected as CCP donors after reverse transcription polymerase chain reaction (RT-PCR) confirmed severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and absence of symptoms for ≥14 days plus (a) age (18-60 years), body weight greater than 55 kg; (b) immunohematological studies; (c) no infectious markers of hepatitis B virus, hepatitis C virus, human immunodeficiency virus, human T-lymphotropic virus-1/2, Chagas and syphilis infection; (d) no HLA antibodies (multiparous); (e) second RT-PCR (nasopharyngeal swab and/or blood) negativity; (f) virus neutralization test (cytopathic effect-based virus neutralization test neutralizing antibody) and anti-nucleocapsid protein SARS-CoV-2 IgM, IgG, and IgA enzyme-linked immunosorbent assays...
December 2020: Transfusion