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Clinical efficacy of hydroxychloroquine in patients with covid-19 pneumonia who require oxygen: observational comparative study using routine care data

BMJ 2020; 369 doi: (Published 14 May 2020) Cite this as: BMJ 2020;369:m1844

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Lack of efficacy of hydroxychloroquine in covid-19

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Usage statistics: May 2020 to January 2022

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May 20204521159326231
Jun 202058117091602
Jul 2020878159810
Aug 2020794913518
Sep 2020322514301
Oct 20204620754290
Nov 2020561793399
Dec 2020482127233
Jan 2021292640208
Feb 2021171550145
Mar 202181888241
Apr 202171318170
May 2021261513210
Jun 202181633141
Jul 202171033125
Aug 202181195108
Sep 202191145121
Oct 202181252117
Nov 20213864126
Dec 2021881187
Jan 20224563752