LANZ-LUCES, J. R.; ACEITUNO, H.; QUIROZ-BRAVO, F.; RODIGUEZ-FLORES, F.; OSORES-ESPINOZA, M.; RIGAUD, D.; PÉREZ-CUESTA, D.; ABID, K.; TOBAR-BUSTAMANTE, A.; BARRANCAS, A.; FIGUEROA-TORRES, C.; GUTIERREZ DE LA CRUZ, J.; BURGOS-ALARCÓN, F.; GÓMEZ-DONOSO, J. Long-lasting brain fog is related with severity clusters of symptoms in COVID-19 patients. Background: COVID-19 patients may experience lon-lasting symptoms from weeks to even months. Aim: To evaluate long-term cognitive impairment based on the severity. Revista Médica de Chile, [S. l.], v. 150, n. 11, 2022. Disponível em: https://revistamedicadechile.cl/index.php/rmedica/article/view/9649. Acesso em: 18 abr. 2026.