The authors of the research linking the malaria drug hydroxychloroquine and increased death risk during Covid-19 treatment have retracted the Lancet study as they were unable to share the full dataset for an independent peer-review.​​​​"Several concerns were raised with respect to the veracity of the data and analyses conducted by Surgisphere Corporation and its founder and our co-author, Sapan Desai, in our publication," the authors of the study wrote.

from Times of India https://timesofindia.indiatimes.com/home/science/controversial-lancet-study-linking-hcq-deaths-in-covid-19-treatment-retracted/articleshow/76207043.cms