SARS-CoV-2 antibody dynamics in blood donors and COVID-19 epidemiology in eight Brazilian state capitals: A serial cross-sectional study by Carlos A Prete Jr, Lewis F Buss, Charles Whittaker, Tassila Salomon, Marcio K Oikawa, Rafael HM Pereira, Isabel CG Moura, Lucas Delerino, Manoel Barral-Netto, Natalia M Tavares, Rafael FO Franca, Viviane S Boaventura, Fabio Miyajima, Alfredo Mendrone-Junior, Cesar de Almeida-Neto, Nanci A Salles, Suzete C Ferreira, Karine A Fladzinski, Luana M de Souza, Luciane K Schier, Patricia M Inoue, Lilyane A Xabregas, Myuki AE Crispim, Nelson Fraiji, Fernando LV Araujo, Luciana MB Carlos, Veridiana Pessoa, Maisa A Ribeiro, Rosenvaldo E de Souza, Sônia MN da Silva, Anna F Cavalcante, Maria IB Valença, Maria V da Silva, Esther Lopes, Luiz A Filho, Sheila OG Mateos, Gabrielle T Nunes, Alexander L Silva-Junior, Michael P Busch, Marcia C Castro, Christopher Dye, Oliver Ratmann, Nuno R Faria, Vítor H Nascimento, Ester C Sabino

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