Understanding how antibody responses to SARS-CoV-2 evolve during infection may
provide important insight into therapeutic approaches and vaccination for COVID-19. Here …

Background & aims Sarcopenia, a loss of muscle mass, quality and function, which is
particularly evident in respiratory muscles, has been associated with many clinical adverse …

Context Long COVID is an emerging syndrome affecting 50% to 70% of COVID-19 survivors
that still lacks predicting factors. Objective Due to the extraskeletal effects of vitamin D, we …

Coronavirus disease 2019 (COVID-19) is a condition caused by the severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2). Severe cases of COVID-19 result in acute …

The clinical picture of coronavirus disease 2019 (COVID-19) in various target organs has
been extensively studied and described. However, relatively little is known about the …

Objectives Patients with COVID-19 frequently develop acute respiratory distress syndrome
(ARDS) requiring intensive care unit (ICU) admission. Data on long-term survival of these …

Purpose To assess whether dysglycemia diagnosed during severe acute respiratory
syndrome coronavirus 2 pneumonia may become a potential public health problem after …

Background Hypocalcemia has been identified as a major distinctive feature of COVID-19,
predicting poor clinical outcomes. Among the mechanisms underlying this biochemical …

Aim Obesity is a risk factor for COVID-19, but the underlying mechanisms are unclear. We
investigated the role of adiponectin (an anti-inflammatory adipokine), leptin (a pro …

Context A high prevalence of vitamin D (VD) deficiency in COVID-19 patients has been
reported and hypothesized to increase COVID-19 severity likely because of its negative …