Performance of an alternative RT-PCR procedure using residual sample from the Panbio¿ Ag COVID-19 test Terezinha Marta Pereira Pinto Castineiras; Érica Ramos dos Santos Nascimento; Débora Souza Faffe; Rafael Mello Galliez; Diana Mariani; Isabela de Carvalho Leitão; Mayla Gabryele Miranda de Melo; Orlando Costa Ferreira; Amilcar Tanuri;

Importance of wearing a mask continuously and appropriately regardless of the COVID 19 symptoms. Lessons from different mask-wearing styles among two healthcare personnel Ansaeng Lee; Young Jun Kim; Ji-Hyun Cho; Jae Hoon Lee;

Demographic, epidemiological and clinical profile of patients with post-COVID syndrome followed at a teaching hospital in Brazil João Paulo Borges de Melo; Alex Eduardo da Silva; Leandro Resende Yamamoto; Taciana Fernandes Araújo Ferreira; Gustavo José Luvizutto; Fernando Freitas Neves; Kelly Cristina Santos; Roger Lopes Batista; Isabel Cunha Santos; Francielle Schiavoni; Mario León Silva-Vergara;