Dynamics of SARS-CoV-2 infection over two epidemic waves in Manaus, Brazil: A serological study of seven thousand blood donors. by Neal Alexander, Christopher Dye, Michael P Busch, Lewis Buss, Carlos A Prete, Oliver J Brady, Paul Mee, Claudia M M Abrahim, Myuki A E Crispim, Allyson G da Costa, Tassila Salomon, Philippe Mayaud, Márcio K Oikawa, Nuno R Faria, Ester C Sabino

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Syphilis reactivity among blood donors in Brazil: associated factors and implications for public health monitoring by Natalia A. Braga, Sheila de Oliveira Garcia Mateos, Renata Buccheri, Vivian I. Avelino-Silva, Donald E. Warden, Cesar de Almeida-Neto, Maisa Ribeiro, Luiz Amorim, Paula Loureiro, Nelson Fraiji, Marcio K. Oikawa, Eduard Grebe, Mars Stone, Ester C. Sabino, Brian Custer, for the NHLBI Recipient Epidemiology and Donor Evaluation Study-IV-Pediatric (REDS-IV-P)

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