Activity tracking with just-in-time feedback did not reduce postexertional malaise frequency or severity in patients with long COVID.

Long COVID is associated with a wide range of new or worsening health conditions and encompasses more than 200 symptoms involving many different organ systems (Davis et al., 2021; Lubell, 2022). Given ...

While myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) and Long COVID are not the same disease, they appear to have features of overlapping biological and symptomatic presentations. Many ...