In mid-February 2021, Dr. Andrew Hill at Liverpool University published a scientific meta-analysis of six randomized controlled trials involving the use of ivermectin. The review, funded by the World Health Organization and UNITAID, found the drug increased viral clearance and reduced COVID-19 deaths by 75%, yet the conclusion of the paper was dismissive
In early April 2021, Hill was accused of scientific misconduct by the French civic group, Association BonSens. BonSens claims Hill manipulated data to downplay the usefulness of ivermectin. Hill admitted that the study sponsor had crafted the conclusion
In early August 2021, Hill published a public notice stating one of the six studies included in his analysis had been withdrawn due to fraudulent data. A revised analysis excluding that study was published in November 2021
In the November revision, Hill included 23 randomized clinical trials, concluding ivermectin had no statistically significant effect on survival or hospitalizations
Other meta-analyses of 13 to 24 studies have found reductions in death ranging from 62% to 91%. Recent research has also found a five-day course of ivermectin at a dose of 12 mg per day sped up viral clearance, reducing the duration of symptomatic illness by three days compared to placebo (9.7 days versus 12.7 days)
Mark Skidmore is Professor of Economics at Michigan State University where he holds the Morris Chair in State and Local Government Finance and Policy. His research focuses on topics in public finance, regional economics, and the economics of natural disasters. Mark created the Lighthouse Economics website and blog to share economic research and information relevant for navigating tumultuous times.
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