Since covid was said to injure epithelial cells, I'm reading about glycocalix these days, a glycan layer on the edothelial apical surface (facing blood vessel i

Since covid was said to injure epithelial cells, I'm reading about glycocalix these days, a glycan layer on the edothelial apical surface (facing blood vessel inner space). When it's wiped it causes absorption problems, vascular issues.. could explain chronic fatigue.