National scale pharmaceutical manufacturing of chloroquine/hydroxychloroquine - possible? How long?

The Quarantine Zone
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YouTube link below. How chloroquine hydroxychloroquine may help slow down covid-19. Also safety and iuse with SARS.

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https://www.nature.com/articles/s41421-020-0156-0

Open Access study linked above. Hydroxychloroquine effective against covid-19 in vitro.

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I’m not sure what you are talking about, but I would only take stuff supplied by a doctor/pharmacist: