Slow Spread of SARS-CoV-2 in Southern Brazil Over a 6-Month Period: Report on 8 Sequential Statewide Serological

Pedro C Hallal1, Mariângela F Silveira1, Ana M B Menezes1

  • 1Pedro C. Hallal, Mariângela F. Silveira, Ana M. B. Menezes, Bernardo L. Horta, Aluísio J. D. Barros, Nadege Jacques, Luís Paulo Vidaletti, Fernando P. Hartwig, Fernando C. Barros, and Cesar G. Victora are with the Postgraduate Program in Epidemiology, Universidade Federal de Pelotas, Brazil. Lúcia C. Pellanda and Helena Schirmer are with the Universidade Federal de Ciências de Saúde de Porto Alegre, Brazil. Gabriel D. Victora is with the Laboratory of Lymphocyte Dynamics, Rockefeller University, New York, NY. Odir A. Dellagostin is with the Postgraduate Program in Biotechnology, Universidade Federal de Pelotas. Claudio J. Struchiner is with the Fundação Getúlio Vargas, Rio de Janeiro, Brazil. Marcelo N. Burattini is with the Universidade Federal de São Paulo, Brazil. Marilia A. Mesenburg is with the Postgraduate Program in Epidemiology, Universidade Federal de Pelotas, and the Universidade Federal de Ciências de Saúde de Porto Alegre. Emanuele L. Ambros is with the Secretaria Municipal de Saúde de Uruguaiana, Brazil. Evelise M. Berlezi is with the Universidade de Ijuí, Brazil. Jane D. P. Renner is with the Universidade de Santa Cruz do Sul, Brazil. Kaue Collares is with the Universidade de Passo Fundo, Brazil. Maria Letícia R. Ikeda is with the Universidade do Vale do Rio dos Sinos, Sao Leopoldo, Brazil. Thiago M. Ardenghi is with the Universidade Federal de Santa Maria, Brazil. Patricia de Gasperi is with the Universidade de Caxias do Sul, Brazil.

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