https://www.msn.com/en-sg/news/other/compound-in-licorice-extract-has-potential-to-treat-coronavirus-chinese-study-finds/ar-BB13ER9m
Homemade substitute for Hydroxychloroquine + Azithromycin combination. Main medicinal ingredients being quinine and zinc to treat covid19.
natural quinine-like substance can be extracted from the Grapefruit by boiling a quarter of it and straining its pulp…
https://www.thefitindian.com/blog/8-best-natural-remedies-to-treat-malaria/
The Zinc is much easier to acquire…
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Zinc lozenges
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Zinc supplement from local pharmacy