The study did not use the “best use” protocol for Ivermectin Therapy and Hydroxichloroquin based therapy. They did not use i\the therapy with Zinc, within the first 10 days of the infection.
Since them Dr.Pierre Corey has stipulated its proper use:
https://www.youtube.com/watch?v=1VQcKdP7BQc
Ivermectin protocol is being used by thousands of front line health workers as prophylaxis:
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FRONT LINE COVID-19 CRITICAL CARE ALLIANCE PROPHYLAXIS & TREATMENT PROTOCOLS FOR COVID-19 PROPHYLAXIS PROTOCOL lvermectin Prophylaxis for high risk individuals
0.2 mg/kg * — one dose on day 1 and day 3, then take one dose weekly for 10 weeks, followed by one dose every 2 weeks** Post COVID-19 exposure prophylaxis *** 0.2 mg/kg * — one dose on day 1 and day 3 Vitamin D3 1,000–3,000 IU/day Vitamin C 1,000 mg twice a day Quercetin 250 mg/day Zinc 50 mg/day Melatonin 6 mg before bedtime (causes drowsiness) EARLY OUTPATIENT PROTOCOL
**** lvermectin 0.2 mg/kg * — one dose on day 1 and day 3 Vitamin D3 4,000 IU/day Vitamin C 2,000 mg 2–3 times daily Quercetin 250 mg twice a day Zinc 1 0 0 m g/d ay Melatonin 10 mg before bedtime (causes drowsiness) Aspirin 325 mg/day (unless contraindicated) * ≈ 0.09 mg/lb per dose (take on an empty stomach with water). Example for a per - son of 60 kg (body weight): 60 kg × 0.2 mg = 12 mg — please see conversion table (kg lbs) on page 2 to calculate the appropriate ivermectin dose. ** This dosing may be updated as further scientific studies emerge. *** To use if a household member is COVID-19 positive, or you have prolonged exposure to a COVID-19 positive patient without wearing a mask **** For late phase — hospitalized patients — see the FLCCC’s MATH+ Hospital Treat ment Protocol for COVID-19 on www.flccc.n
https://covid19criticalcare.com/wp-content/uploads/2020/11/FLCCC-I-MASK-Protocol-v4-2020-11-22.pdf