The number of patients with post-COVID-19 syndrome continues to increase considerably,
having serious healthcare, social and economic repercussions. The objective of this study is …

Abstract Coronavirus disease 2019 (COVID-19) outbreak has become a global public health
emergency and has led to devastating results. Mounting evidence proposes that the disease …

Background A growing number of long COVID cases after infection have been reported. By
definition, long COVID is the condition whereby affected individuals do not recover for …

Background As defined by the WHO, the term post-COVID syndrome (PCS) embraces a
group of symptoms that can occur following the acute phase of a SARS-CoV-2 infection and …

An extensive computer search (from January 2020 to January 2023) was conducted
including literature from the PubMed, Scopus, MEDLINE, Web of Science, and EMBASE …

Long COVID-19 patients show systemic inflammation and persistent symptoms such as
fatigue and malaise, profoundly affecting their quality of life. Since improving oxygenation …

Objective Evaluating the prevalence of long-COVID symptoms in patients with a history of
mild or asymptomatic infection with Severe Acute Respiratory Syndrome Coronavirus 2 …

Ferroptosis is a recently discovered form of programmed cell death. It is characterized by the
accumulation of iron and lipid hydroperoxides in cells. Vitamin K is known to have …

(1) Background: An inefficient immune response accompanied by an overwhelming
inflammatory reaction is involved in severe courses of COVID-19. Kynurenine (KYN) has …

Introduction Long-term pulmonary dysfunction (L-TPD) is one of the most critical
manifestations of long-COVID. This lung affection has been associated with disease severity …