Cystatin C is a marker for acute kidney injury, but not for mortality among COVID-19 patients in Mexico Karime Ramos-Santos; Arturo Cortes-Telles; María Elena Uc-Miam; Azalia Avila-Nava; Roberto Lugo; Rodolfo Chim Aké; Ana Ligia Gutiérrez-Solis;

SARS-CoV-2 investigation in cerebrospinal fluid from meningitis patients during the first pandemic wave Maria Cecilia Cergole-Novella; Thayná Rosa Bispo; Elaine Monteiro Matsuda; Daniela Rodrigues Colpas; Ivana Barros de Campos;

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;