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Healthcare workers & SARS-CoV-2 infection in India: A case-control investigation in the time of COVID-19

Chatterjee et al., Indian Journal of Medical Research, doi:10.4103/ijmr.IJMR_2234_20
May 2020  
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Case 67% Improvement Relative Risk HCQ for COVID-19  Chatterjee et al.  Prophylaxis Is pre-exposure prophylaxis with HCQ beneficial for COVID-19? Retrospective 455 patients in India Fewer cases with HCQ (p=0.001) c19hcq.org Chatterjee et al., Indian J. Medical R.., May 2020 FavorsHCQ Favorscontrol 0 0.5 1 1.5 2+
HCQ for COVID-19
1st treatment shown to reduce risk in March 2020, now with p < 0.00000000001 from 423 studies, used in 59 countries.
No treatment is 100% effective. Protocols combine treatments.
5,500+ studies for 119 treatments. c19hcq.org
4+ doses of HCQ associated with a significant decline in the odds of getting infected, dose-response relationship exists.
risk of case, 66.8% lower, RR 0.33, p < 0.001, treatment 12 of 68 (17.6%), control 206 of 387 (53.2%), NNT 2.8, full course vs. unused.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Chatterjee et al., 28 May 2020, retrospective, India, peer-reviewed, survey, 11 authors.
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