Instituto Evandro Chagas

Persistent Redox Imbalance in Post-COVID-19 Syndrome: Lipid Peroxidation, Antioxidant Enzyme Depletion, and Reduced Nitric Oxide Availability in an Amazonian Population

Post-COVID-19 syndrome (PCS) can persist even after mild acute illness, and oxidative stress has been proposed as a central mechanism for this persistence, although it remains poorly studied in the Amazon. This study characterized redox imbalance in patients with PCS through a co...

An in-depth comparison: first wave of mpox in Rio de Janeiro, Brazil and Lisbon, Portugal

Abstract Background The 2022 mpox outbreak spread rapidly beyond endemic regions, affecting multiple countries with broadly similar transmission patterns but different public health responses and surveillance systems. We compared laboratory-confirmed mpox infections reported duri...