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Here's an excerpt from a paper published in "Journal of Inflammation Research" by Dove Press for a popular and controversial herbal supplement from India:

Coronil effectively inhibited the interaction of ACE-2 not only with the wild-type S protein (SWT) but also with its currently prevalent and more infectious variant (SD614G) and another mutant (SW436R) with significantly higher affinity toward ACE-2

Now assuming what the paper says is true, the herbal drug is mediating the interaction between spike protien and host cells.

In vaccination, the spike proteins are introduced to body through various methods, so that the immune system can interact with it and familiarize itself with the spike protein before hand.

But if the herbal drug, as claimed, reduces the interaction of spike protein itself, then is it a possibility that the drug can interfere in the efficacy of vaccine?

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    Wow. Excellent question. Upvoted. How popular is this supplement (hundreds of thousands of people taking it? millions taking it? hundreds of millions? over a billion?)? Also, I'm trying to learn more about the journal "Journal of Inflammation Research". Is it generally considered a quality and respected journal? Apr 30, 2021 at 2:35
  • @RockPapaerLz-MaskitorCasket Thank you. Its extremely popular. I'm not sure about the Journal of Inflammation Research.
    – user20181
    Apr 30, 2021 at 4:05
  • You're welcome. This certainly seems like a topic very worthy of research, especially given the current COVID-19 pandemic. Apr 30, 2021 at 6:12
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    @RockPaperLz Concerning perhaps, but not too surprising. Non-evidence-based practices, especially religious ones, are quite common all around. Everyone likes easy fixes and people selling them like making money. It takes a lot of regulatory effort to suppress them, and even in places with fairly strong controls over pharmaceuticals there are less regulated parts of the market where charlatans thrive.
    – Bryan Krause
    Apr 30, 2021 at 14:44
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    Not surprisingly... science.thewire.in/the-sciences/…
    – Carey Gregory
    Apr 30, 2021 at 14:52

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