Pre-Exposure Prophylaxis study (treated before exposed to the virus)
et al., Autoimmunity Reviews, 19:7, July 2020, doi:10.1016/j.autrev.2020.102566 (Peer Reviewed)
Continuous Hydroxych loroquine or Colchicine Therapy Does Not Prevent Infection With SARS-CoV-2: Insights From a Large Healthcare Database Analysis
Very small study of rheumatic disease/autoimmune disorder patients showing no significant difference but with only 3 chronic HC Q patient cases. Only considers people tested at a time when primarily symptomatic cases were tested. Note that patients with SLE, RA, and other autoimmune conditions have a significantly increased susceptibility to and incidence of infections [1, 2, 3, 4, 5, 6, 7], with this context the results suggest HC Q is effective, but this is still inconclusive with the small sample size. Two more recent studies with rheumatic disease/autoimmune condition patients provide higher confidence.
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