There is a thread on HN: <a href="https://news.ycombinator.com/item?id=29808728" rel="nofollow">https://news.ycombinator.com/item?id=29808728</a>
"Antiplatelet and anticoagulant therapy resolves long covid in 24 patients"
Many of the comments seem to diverge from the topic.<p>This link goes to a lecture explaining the source of the blood clots. Naturally, those clots do not immediately resolve when the viral infection is over.
Though the lecture is detailed, I was able follow. You might like it.