COVID-19 studies:  C19 studies: C19:  IvermectinIVM Vitamin DV.D HC QHC Q Vitamin CV.C ZincZn PVP-IPVP-I REGNREGN LY-CoVLY RemdesivirRMD
HCQ meta analysis
12/2 Post Exposure Prophylaxis study (treated after exposure to the virus)
Wiseman et al., medRxiv, doi:10.1101/2020.11.29.20235218 (Preprint) (meta analysis - not included in study count)
Effective post-exposure prophylaxis of Covid-19 is associated with use of hydroxychloroquine: Prospective re-analysis of a public dataset incorporating novel data
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6th independent analysis showing efficacy from the Boulware PEP trial.
This prospective analysis corrects an error in the NEJM paper where shipping delays are omitted (still not corrected).
42% reduction in COVID-19 (9.6% vs. 16.5%), RR 0.58 [0.35 - 0.97], p=0.044, for the original trial 3 day specification.

Wiseman et al., 12/2/2020, preprint, 4 authors.
risk of COVID-19 case, 42.0% lower, RR 0.58, p = 0.04, <= 3 days after exposure.
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