While the majority who catch Covid do not become severely sick and acquire higher comparatively quickly, some have long issues once sick from initial|the initial} infection – though they weren’t terribly sick within the first place.
Long Covid is not totally understood, and there is no internationally-agreed definition – therefore estimates of however common it’s, or what the most symptoms area unit, vary.
Guidance for health professionals refers to symptoms that continue for over twelve weeks that can not be explained by another cause. The Lancet analysis enclosed symptoms lasting four weeks or a lot of.
According to the NHS, these will include:
extreme fatigue shortness of breath, hurting or tightness problems with memory and concentration (“brain fog”) changes to style and smell joint pain.
Patient surveys counsel a spread of alternative symptoms may additionally be present, together with gut issues, sleep disorder and vision changes.