they are pretty well understood now with growing evidence of viral persistence in the gut and immune cells, and immune dysfunction causing autoantibodies.
they are also distinct from other conditions like ME/CFS or other sequelae although they may share overlapping symptoms. A lot of research is going into different PAIS post acute infection syndromes
they are also distinct from other conditions like ME/CFS or other sequelae although they may share overlapping symptoms. A lot of research is going into different PAIS post acute infection syndromes