Mainstream media:
TOKYO — As the omicron variant surges around the world, Japan’s overall coronavirus cases and deaths have been plummeting. And no one seems to know exactly why.
This may be at least part of why. This story broke not only in the journals but by many media outlets across the world last September:
https://www.sciencedirect.com/science/article/pii/S0006291X21010718
Highlights
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Natto extract, which is a traditional Japanese fermented soybean food, fully inhibited infection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and bovine herpesvirus 1 (BHV-1) to the cells.
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The UK variant of spike protein (receptor binding domain; RBD) of SARS-CoV-2 and Glycoprotein D of BHV-1 were proteolytically degraded by the natto extract.
•A serine-protease(s) in the natto extract is worth to be further investigated as antiviral drug(s).
50% of the Japanese population already consumed natto on a daily basis pre-covid. Its possible that more began eating it after it was discovered that the protease in natto produced by fermentation destroys spike protein rendering it harmless.
If you have never eaten natto, it has a thick sticky biofilm that definitely coats everything it touches on the way down the hatch.
Food for thought, pun intended
AC