Chloroquine for the 2019 novel coronavirus SARS-CoV-2

Chloroquine for the 2019 novel coronavirus SARS-CoV-2

So, anyone actually read this?
It is a "hypothesis paper" - referring to some preliminary clinical tests for SARS

Maybe there is something to this, but I don't see any new clinical preprints on medrXiv 

International Journal of Antimicrobial Agents (Elsevier)

Volume 55, Issue 3, March 2020, 105923