But many hematologists and COVID-19 researchers worry that enthusiasm for the clot hypothesis has outpaced the data. They want to see larger studies and stronger causal evidence. And they are concerned about people seeking out unproven, potentially risky treatments.Nature 608, 662-664 (2022)
This is a good article on the micro-clot hypothesis behind long Covid.
Don’t bother with the herpes article but if you have to, here you go: