The stories are incredibly similar. In a stressful phase, a severe infection. Often everything seems to go as usual. Just aching limbs, fever, cold or cough. Sometimes things get better at first, but then leaden exhaustion follows. Tired, weary, foggy, listless and yet tense.
We have developed a new way of looking at these symptoms.
Since there are strong overlaps with other fatigue syndromes, postural tachycardia and respiratory disorders, you can read on there.