Some patients remain unwell for months after “recovering” from the acute COVID-19. They
develop persistent fatigue, cognitive problems, headaches, disrupted sleep, myalgias and …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent of
coronavirus disease 2019 (COVID-19), could affect brain structure and function. SARS-CoV …

Long COVID (LC) encompasses a constellation of long-term symptoms experienced by at
least 10% of people after the initial SARS-CoV-2 infection, and so far it has affected about 65 …

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

Both myalgic encephalomyelitis or chronic fatigue syndrome (ME/CFS) and long COVID
(LC) are characterized by similar immunological alterations, persistence of chronic viral …

Abstract Coronavirus disease 2019 (COVID-19) is primarily a respiratory disease causing a
worldwide pandemic in the year of 2019. SARS‐CoV‐2 is an enveloped, positive-stranded …

Currently, biological markers for COVID-19 disease severity still constitute the main goal of
enhancing an efficient treatment to reduce critical consequences such as an abnormal …

Coronavirus disease 2019 (COVID-19) may determine a multisystemic chronic syndrome
after resolution of SARS-CoV-2 infection in a significant percentage of patients. Persistent …

Background: Persistent infection with severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2), reactivation of dormant viruses, and immune-oxidative responses are …

The COVID-19 pandemic has affected the world unprecedentedly, with both positive and
negative impacts. COVID-19 significantly impacted the immune system, and understanding …