Risk factors associated with syphilis among patients at a sexual health center in Brazil: A retrospective study Cristhiane Campos Marques; Fabiana Nunes de Carvalho Mariz; Thaisa Campos Marques; Juliana Tessari Dias Rohr; Berenice Moreira; Paula Beatriz Santiago; Nathália Araujo Varela da Costa; Juliana Marques de Oliveira; Otávio Toledo Nóbrega; Carla Nunes de Araújo;

Perceived levels of social stigma following HIV notification: Insights from Brazilian blood centers Renata Buccheri; Carolina Miranda; Cesar de Almeida-Neto; Thelma Gonçalez; Liliana Preiss; Luiz Amorim; Anna Barbara Carneiro-Proiett; Paula Loureiro; Ester C. Sabino; Brian Custer;

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;