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All Studies   Meta Analysis    Recent:   

Hydroxychloroquine in the Prevention of COVID-19 Infection in Healthcare Workers

McCullough et al., NCT04333225
Aug 2021  
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Case 52% Improvement Relative Risk HCQ for COVID-19  McCullough et al.  Prophylaxis Is pre-exposure prophylaxis with HCQ beneficial for COVID-19? Prospective study of 221 patients in the USA Fewer cases with HCQ (p=0.012) c19hcq.org McCullough et al., NCT04333225, August 2021 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 411 studies, recognized in 46 countries.
No treatment is 100% effective. Protocols combine treatments. * >10% efficacy, ≥3 studies.
4,300+ studies for 75 treatments. c19hcq.org
Prospective study with 221 healthcare workers, showing lower risk of COVID-19 with HCQ prophylaxis.
risk of case, 51.7% lower, RR 0.48, p = 0.01, treatment 13 of 101 (12.9%), control 32 of 120 (26.7%), NNT 7.2.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
McCullough et al., 20 Aug 2021, prospective, USA, preprint, 1 author.
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