Table 2

Problematic COVID-19 preprint articles

SourceIssueLocation of corresponding author’s institutionFinding
SSRN21Dataset is linked to two other retracted papers22 23USARetracted
SSRN24Dataset is linked to two other retracted papers22 23USARetracted
SSRN25 26Numerous concerns including authorship, statistical analysis, findingsIndonesiaRetracted
bioRxiv27Article lacked the full consent for publication by all authorsChinaWithdrawn
bioRxiv28Authors' desire to perform additional research to validate their workChinaWithdrawn
medRxiv29Authors' desire to update their dataset to enlarge itChinaWithdrawn
medRxiv30Authors' desire to perform additional research to validate their workChinaWithdrawn
bioRxiv31Consent was not obtained for use of the study datasetBangladeshWithdrawn
medRxiv32Controversy about hydroxychloroquine and a retrospective study designFranceWithdrawn
bioRxiv33Concerns regarding technical approach and data interpretationIndiaWithdrawn
medRxiv34Study performed beyond scope of the research ethics committee approvalItalyWithdrawn
medRxiv35Study performed beyond scope of the research ethics committee approvalItalyWithdrawn
medRxiv36Controversy about hydroxychloroquine; results potentially different after peer review.South KoreaWithdrawn
medRxiv37Privacy concerns regarding research participantsUSAWithdrawn