Updated meta analysis of 41 studies showing CQ/HCQ OR 0.57,
p<0.0001 from clinical studies.
For big data studies authors find inconsistent results and OR 0.83,
p=0.0014, and for all studies combined OR 0.72,
p<0.0001.
IHU Marseille et al., 10/20/2020, preprint, 1 author.