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;

Coronavirus disease 2019 infection severity among different variants in children under 2-years old in Brazil Beatriz Martinelli Menezes Gonçalves; Rossana P.V. Francisco; Ágatha S. Rodrigues; José Carlos Soares Junior;