Chinese herbal medicine combined with conventional therapy is significantly effective and invulnerable in the treatment of mild-to-moderate COVID-19. In terms of control inflammation, TCM does not only block the disease onset by simply inhibiting inflammation but balancing the human environment through bidirectional regulation of inflammatory cells. However, considering of the lack of research into how TCM could activate the natural immune response, the discussion of the mechanism cannot be stretched, more high-quality RCTs are still needed in the future.
Chen et al. (Sun,) studied this question.