This might be a good link to share, as it has an accurate summary of the new NICE guidelines, and is listed under Neurology. Apparently for use by UK healthcare professionals. Myalgic encephalomyelitis (or encephalopathy)/chronic fatigue syndrome: diagnosis and management By NICE23 December 2021 https://www.guidelines.co.uk/neurology-/nice-me/cfs-guideline/456613.article