There is no proof yet that chloroquine is effective in treating COVID-19 but the antimalarial discovered by Bayer AG in 1934 has quickly become the great hope for tackling the symptoms of the coronavirus.
Chloroquine Moves To Top of COVID-19 Clinical Trial List
Bayer, Novartis, Sanofi, Teva And Mylan Donating Antimalarial
Many hopes for an effective coronavirus treatment are being pinned on chloroquine, not least those of President Trump, and pharma companies are supplying the antimalarial to the US at no cost for use in clinical trials.

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