Seroprevalence and indexes of IgG antibodies for SARS-CoV-2 infection among People Living With HIV, tuberculosis patients and healthcare workers, in Salvador, Brazil Daniele Souza de Santana; Eduardo Martins Netto; Sara Nunes Vaz; Paulo Henrique Dantas; Carlos Brites;

Validation of the GeneXpert Xpress SARS-CoV-2 PCR assay using saliva as biological specimen Sara Nunes Vaz; Daniele Souza de Santana; Eduardo Martins Netto; Wei-Kung Wang; Carlos Brites;

Saliva is a reliable, non-invasive specimen for SARS-CoV-2 detection Sara Nunes Vaz; Daniele Souza de Santana; Eduardo Martins Netto; Celia Pedroso; Wei-Kung Wang; Felice Deminco Alves Santos; Carlos Brites;