Background Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a debilitating
disease with unknown causes. From the perspectives on the etiology and pathophysiology …

Objective To identify case definitions for chronic fatigue syndrome/myalgic
encephalomyelitis (CFS/ME), and explore how the validity of case definitions can be …

Importance Most research to understand postacute sequelae of SARS-CoV-2 infection
(PASC), or long COVID, has focused on adults, with less known about this complex …

Children infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are
generally asymptomatic or have mild acute symptoms with low rates of hospitalization (< …

Techniques of data mining and machine learning were applied to a large database of
medical and facility claims from commercially insured patients to determine the prevalence …

Background: Myalgic encephalomyelitis (ME)/chronic fatigue syndrome (CFS) is a
debilitating multisystem condition affecting more than 1 million adults in the United States …

The coronavirus disease 2019 (COVID-19) pandemic has caused significant medical, social,
and economic impacts globally, both in the short and long term. Although most individuals …

A model of the development and progression of chronic fatigue syndrome (myalgic
encephalomyelitis), the aetiology of which is currently unknown, is put forward, starting with …

Background: The diagnosis of myalgic encephalomyelitis (ME)/chronic fatigue syndrome
(CFS) is based on clinical criteria, yet there has been no consensus regarding which set of …

Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a complex multisystem
illness that lacks effective therapy and a biomedical understanding of its causes. Despite a …