• Efficacy of ChAdOx1 nCoV-19 (AZD1222) vaccine against SARS-CoV-2 lineages circulating in Brazil 

      Clemens, Sue Ann Costa; Sprinz, Eduardo; Voysey, Merryn; Pollard, Andrew J.; Arns, Beatriz; Cunha, Debora Rosilei Miquini de Freitas; Dias, Ana Luiza Perez Olive; Pinheiro, Jéssica Morgana Gediel; Sorio, Guilherme Geraldo Lovato; Stein, Ricardo; Vieceli, Tarsila; Vieira, Taiane Alves; Zimmer, Rafael Leal; The AMPHEUS Project; Oxford COVID Vaccine Trial Group (2021) [Artigo de periódico]
      Several COVID-19 vaccines have shown good efficacy in clinical trials, but there remains uncertainty about the efficacy of vaccines against different variants. Here, we investigate the efficacy of ChAdOx1 nCoV-19 (AZD1222) ...
    • Hepatitits B seroprevalence in Latin America 

      Silveira, Themis Reverbel da; Fonseca, José Carlos Ferraz da; Rivera, Luis; Fay, Oscar H.; Tapia, Roberto; Santos, Jose I.; Urdeneta, Eduardo; Clemens, Sue Ann Costa (1999) [Artigo de periódico]
      Se investigó la seroprevalencia de hepatitis B en más de 12 000 sujetos en seis países de América Latina: Argentina, Brasil, Chile, México, República Dominicana y Venezuela. Cada una de las poblaciones estudiadas fue ...
    • Homologous and heterologous boosting of the Chadox1-S1-S COVID-19 vaccine with the SCB-2019 vaccine candidate : a randomized, controlled, phase 2 Study 

      Clemens, Sue Ann Costa; Milan, Eveline Pipolo; Sprinz, Eduardo; Cerbino Neto, José; Pacciarini, Filippo; Li, Ping; Chen, Hui-Ling; Smolenov, Igor V.; Pollard, Andrew J.; Clemens, Ralf (2022) [Artigo de periódico]
      Background: Ongoing outbreaks of coronavirus disease 2019 (COVID-19) are driven by waning immunity following primary immunizations and emergence of new severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants ...