Emerging evidence has shown that COVID-19 survivors could suffer from persistent
symptoms. However, it remains unclear whether these symptoms persist over the longer …

The effects of coronavirus disease 2019 (COVID‐19), a highly transmissible infectious
respiratory disease that has initiated an ongoing pandemic since early 2020, do not always …

Introduction Although many vaccines are in development and clinical trials, and at least
seven vaccines have been distributed worldwide, the world has faced a huge challenge in …

Most COVID-19 patients recovered with low mortality; however, some patients experienced
long-term symptoms described as “long-COVID” or “Post-COVID syndrome”(PCS). Patients …

The clinical course and outcome of COVID-19 are highly variable, ranging from
asymptomatic infections to severe disease and death. Understanding the risk factors of …

Long-COVID is a new emerging syndrome worldwide that is characterized by the
persistence of unresolved signs and symptoms of COVID-19 more than 4 weeks after the …

Although severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) predominantly
infects the respiratory system, several investigations have shown the involvement of the …

The World Health Organization has defined long COVID-19 (LC) as a condition that occurs
in individuals with a history of SARS-CoV-2 infection who exhibit persistent symptoms after …

Objectives The long-term consequences of COVID-19 infection on the gastrointestinal tract
remain unclear. Here, we aimed to evaluate the prevalence of gastrointestinal symptoms …

Objective Older people are the most vulnerable group for developing SARS-CoV-2 infection.
Although vaccination against coronavirus disease 2019 (COVID-19) reduces infection …