As I understand, Leronlimab modulated the immune system and helps return it to homeostasis. Leronlimab upregulates and down regulates the appropriate immune components to modulate the immune system response to inflammation and foreign induced trauma and infection to the body. Leronlimab should be the best, primary, treatment for Long-Hauler's.
Here is a good article on biological homeostasis:
https://www.frontiersin.org/articles/10.3389/...00200/full