Rapid knowledge dissemination on Covid-19 has, without doubt, given the fight against the pandemic a huge leg up. However, this hasn’t come without costs. The need for sharing research findings in the larger interest has also meant wide coverage for questionable research. Pre-prints (works that have not been peer-reviewed) have received almost as much publicity as published work. One consequence of this is bad science getting amplified.
Science reports that it found that nearly 200 articles published last year—including in many respected journals—cite two studies that were retracted by Lancet and New England Journal of Medicine in June 2020, to support their own findings, long after the retractions. The two retracted papers were based on what Surgisphere, a company with links to a co-author in each of the two articles, claimed was a large database of Covid-19…