An investigation into COVID-19 research found that among the more than 270,000 papers that have been published since the start of the pandemic, 212 retracted papers were cited 2,697 times, with a median of seven times and an average of 53 times per paper.
A retracted study linking the antimalarial drug Hydroxychloroquine to an increased risk of mortality and heart arrhythmia was the most cited paper with 1,360 citations at the time of data extraction.
