Isolated specific IgA against respiratory viruses, Influenza or SARS-CoV-2, present in the saliva of a fraction of healthy and asymptomatic volunteers Nahiara Esteves Zorgi; Luciana R. Meireles; Danielle Bruna Leal Oliveira; Danielle Bastos Araujo; Edson L. Durigon; Heitor Franco de Andrade Junior;

Antibody indexes in COVID-19 convalescent plasma donors: Unanswered questions Tatiana Carvalho de Souza Bonetti; Flavia Roche Moreira Latini; Adriana Lukow Invitti; Marcelo Cunio Machado Fonseca; Fulvio Alexandre Scorza; Maira Garcia Saldanha; Fernanda T. Bellucco; Natalia B.S. Bacarov; Michel M. Soane; Manoel João Batista Castelo Girão;

Diagnostic Characteristics of Serological-Based COVID-19 Testing: A Systematic Review and Meta-Analysis Diogo Turiani Hourneaux de Moura; Thomas R. McCarty; Igor Braga Ribeiro; Mateus Pereira Funari; Pedro Victor Aniz Gomes de Oliveira; Antonio Afonso de Miranda Neto; Epifânio Silvino do Monte Júnior; Francisco Tustumi; Wanderley Marques Bernardo; Eduardo Guimarães Hourneaux de Moura; Christopher C. Thompson;