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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HCQ for COVID-19

1st treatment shown to reduce risk in March 2020

^*, now known with p < 0.00000000001 from 422 studies, recognized in 42 countries.

Lower risk for mortality, hospitalization, recovery, cases, and viral clearance.

No treatment is 100% effective. Protocols combine complementary and synergistic treatments. ^* >10% efficacy in meta analysis with ≥3 clinical studies.

4,100+ studies for 60+ treatments. c19hcq.org

Prospective study with 221 healthcare workers, showing lower risk of COVID-19 with HCQ prophylaxis.

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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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Please send us corrections, updates, or comments. c19early involves the extraction of 100,000+ datapoints from thousands of papers. Community updates help ensure high accuracy. Treatments and other interventions are complementary. All practical, effective, and safe means should be used based on risk/benefit analysis. No treatment or intervention is 100% available and effective for all current and future variants. We do not provide medical advice. Before taking any medication, consult a qualified physician who can provide personalized advice and details of risks and benefits based on your medical history and situation. FLCCC and WCH provide treatment protocols.

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