Seroprevalence of anti-SARS-CoV-2 in patients with hepatitis B and C: a pre-vaccination study Lucas Lima da Silva; Lia Laura Lewis-Ximenez; Mônica de Avelar Figueiredo Mafra Magalhães; Vanessa Salete de Paula; Livia Melo Villar;

SARS-CoV-2 and dialysis: humoral response, clinical and laboratory impacts before vaccination Alanna Calheiros Santos; Vanessa Duarte da Costa; Lucas Lima da Silva; Juliana Custódio Miguel; Rodrigo Jardim; Alberto Martín Rivera Dávila; Vanessa Salete de Paula; Juliana Gil Melgaço; Barbara Vieira do Lago; Livia Melo Villar;

Frailty and health-related quality of life among older people living with HIV pre- and post-COVID-19 pandemic onset: A cross-sectional study Thiago S. Torres; Jovanice S. Jesus; Daniel Arabe; Lusiele Guaraldo; Fabião A. Meque; Flavia Serrao Lessa; Lívia Dumont Facchinetti; Rita Estrela; Valdilea G. Veloso; Beatriz Grinsztejn; Sandra W. Cardoso;