“5G Technology and induction of coronavirus in skin cells,” published in Biological Regulators & Homeostatic Agents on July 16, 2020, withdrawn on July 24, 2020. Our coverage here.

“A review of convalescent plasma transfusion in COVID-19: Old wine reserved for special occasions,” published in Lung India on September 16, 2020; retracted December 31, 2020.

Acute necrotizing myelitis and acute motor axonal neuropathy in a COVID-19 patient,” published in Journal of Neurology on August 9, 2020; unknown date of retraction.

“An epidemiological investigation of a new coronavirus pneumonia cluster epidemic spread in public transportation” (also titled “An epidemiological investigation of 2019 novel coronavirus diseases through aerosol-borne transmission by public transport”), published in early March in Practical Preventive Medicine and retracted sometime in mid-April. More context here.

“Analysis of Ten Microsecond simulation data of SARS-CoV-2 dimeric main protease,” preprint posted on bioRxiv, April 12, 2020, withdrawn April 16, 2020.

“Analysis of thin-section CT in patients with coronavirus disease (COVID-19) after hospital discharge,” published on May 15, 2020 in Clinical Imaging; retraction date/reason is unknown.

“Autopsy and Histologic Findings of Patients with New Coronavirus Pneumonia: The Pathologic Associations with Hypoxemia,” published on February 13, 2020 in Medical Science Monitor; retracted on March 17, 2021.

“Calcifediol Treatment and COVID-19-Related Outcomes,” posted to Preprints with The Lancet on January 22 and removed on February 19. Our coverage here.

“Can quantitative RT-PCR for SARS-coV-2 help in better management of patients and control of coronavirus disease 2019 pandemic,” published on November 16, 2020 in Indian Journal of Medical Microbiology; unknown date of retraction.

“Can Traditional Chinese Medicine provide insights into controlling the COVID-19 pandemic: Serpentinization-induced lithospheric long-wavelength magnetic anomalies in Proterozoic bedrocks in a weakened geomagnetic field mediate the aberrant transformation of biogenic molecules in COVID-19 via magnetic catalysis,” published in Science of the Total Environment on October 8, 2020, “temporary removal” on November 5, 2020, subsequently retracted on an unknown date. Our coverage here.

“Can Your AI Differentiate Cats from Covid-19? Sample Efficient Uncertainty Estimation for Deep Learning Safety,” reportedly to be presented at the ICML 2020 Workshop on Uncertainty and Robustness in Deep Learning in July, 2020, removed sometime before June 17, 2020. Improbable Research discusses it here.

“Cardiovascular Disease, Drug Therapy, and Mortality in Covid-19,” published in the New England Journal of Medicine on May 1, 2020, subjected to an expression of concern on June 2, and retracted on June 4.

“Chinese medical staff request international medical assistance in fighting against COVID-19,” letter in The Lancet published February 24, 2020 and retracted February 26, 2020. More context here.

“Chinese mental health burden during the COVID-19 pandemic,” published in Asian Journal of Psychiatry on April 14, 2020 and retracted on November 4, 2020. Our coverage here.

“Clinical and Epidemiological Characteristics of 34 Children With 2019 Novel Coronavirus Infection in Shenzhen,” published in Zhonghua Er Ke Za Zhi on February 17, 2020, date of retraction unknown.

“Clinical manifestations and outcome of SARS-CoV-2 infection during pregnancy,” published on March 5, 2020 in Journal of Infection; unknown date of retraction. Hat tip.

“Chloroquine or hydroxychloroquine for COVID-19: why might they be hazardous?” published in The Lancet on May 22, 2020, retracted and replaced July 9, 2020. Our coverage here.

“Clinical sequelae of the novel coronavirus: does COVID-19 infection predispose patients to cancer?”, published in Future Oncology in May 2020, retracted for plagiarism in December 2020. Our coverage here.

“Computational analysis suggests putative intermediate animal hosts of the SARS-CoV-2,” preprint posted on bioRxiv on April 5, 2020, withdrawn April 20, 2020.

“Corona Virus Killed by Sound Vibrations Produced by Thali or Ghanti: A Potential Hypothesis,” published in March-August 2020 issue of Journal of Molecular Pharmaceuticals and Regulatory Affairs; date of retraction unknown.

“Coronavirus disease-2019: A brief compilation of facts,” published on May 8, 2020 in the Journal of Oral and Maxillofacial Pathology; retracted in the May-August 2020 issue.

“Countering fake news in the COVID-19 era: The public’s opinion on the role of an honest and reliable website,” published on November 17, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“COVID-19: A global and continental overview of the second wave and its (relatively) attenuated case fatality ratio,” published on October 3, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“COVID-19: Combined supply-side and demand-side shocks, so lift restrictions (carefully) lest GPD declines ultimately kill more than COVID-19,” published on October 1, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“COVID-19: Mathematical estimation of delay to deaths in relation to upsurges in positive rates,” published on October 1, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“COVID-19: The possible seasonal shape of things to come,” published on November 12, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“COVID-19 and potential global mortality – Revisited,” published on April 30, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“COVID-19 Emergency Responders in FDA’s Center for Drug Evaluation and Research,” published sometime after April 6, 2020 in Journal of the American Pharmacists Association, date of retraction unknown.

“COVID-19 in Africa and collateral effects on health systems and their immunization programs,” published on October 9, 2020 in Vaccine; retraction date is unknown

“COVID-19 is ageist, sexist, ruthless, dispassionate and opportunistic – Protecting our vulnerable,” published on October 1, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“COVID-19, its novel vaccination and fake news – What a brew,” published on November 12, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“COVID-19 related acute decline in paediatric admissions in Malta, a population-based study,” published on November 12, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“Decrease in Hospitalizations for COVID-19 after Mask Mandates in 1083 U.S. Counties,” medRxiv preprint posted on October 23, 2020 and withdrawn on November 4, 2020.

“Deep learning system to screen coronavirus disease 2019 pneumonia,”  published on April 22, 2020 in Applied Intelligence; date of retraction is unknown.

“Effectiveness of Surgical and Cotton Masks in Blocking SARS–CoV-2: A Controlled Comparison in 4 Patients,” published on April 6, 2020 in the Annals of Internal Medicine, retracted on June 1, 2020.

“Effects of the COVID-19 Pandemic on Stroke Patients,” published on August 24, 2020 in Cureus; retracted on January 13, 2021.

“Emergency Preparedness and COVID-19: A Review of AWWA Policy Statements and Guidance,” published on August 4, 2020 in Opflow.  Retracted on December 4, 2020.

“Epidemiological and clinical features of the 2019 novel coronavirus outbreak in China,” medRxiv preprint posted on February 11, 2020 and withdrawn February 21, 2020. More context here.

“Experience on radiological examinations and infection prevention for COVID-19 in radiology department,” published on March 31, 2020 in Radiology of Infectious Diseases; date of retraction is unknown.

“First viral replication of Covid-19 identified in the peritoneal dialysis fluid,” published in Bulletin de la Dialyse à Domicile on April 13, 2020, retracted on April 20, 2020. Our coverage here.

“From SARS-CoV to Wuhan 2019-nCoV Outbreak: Similarity of Early Epidemic and Prediction of Future Trends,” preprint posted on bioRxiv on January 25, 2020, withdrawn on January 28, 2020.

“Holidays over: A review of actual COVID-19 school outbreaks up to September 2020,” published on October 1, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“Homeopathy combat against coronavirus disease (Covid-19),” published on June 5, 2020 in the Journal of Public Health and retracted on August 3, 2020. See our coverage here and here.

“Hospital factors associated with SARS-CoV-2 infection among healthcare personnel in Greece,” published in The Journal of Hospital Infection on October 22, 2020, “Temporary Removal” date not provided. Still showing temporary removal as of December 29, 2020.

“Hydroxychloroquine or chloroquine with or without a macrolide for treatment of COVID-19: a multinational registry analysis,” published in The Lancet on May 22, 2020, subjected to an expression of concern on June 2 ,and retracted on June 4.

“Hydroxychloroquine plus azithromycin: a potential interest in reducing in-hospital morbidity due to COVID-19 pneumonia (HI-ZY-COVID)?” preprint posted on medRxiv, May 11, 2020, withdrawn on May 20, 2020. Our coverage here.

“Incidence and mortality of COVID-19 in Iranian multiple sclerosis patients treated with disease-modifying therapies,” published September 15, 2020 in Revue Neurologique and retracted on October 8, 2020.

“Impact of lockdown and health anxiety during COVID 19 pandemic among inpatients of a psychiatric hospital: an observational study,” published on November 10, 2020 in the Asian Journal of Psychiatry; unknown date of retraction.

“Intersectionality and Inequalities in Medical Risk for Severe COVID-19 in the Canadian Longitudinal Study on Aging,” published September 24, 2020 in The Gerontologist, retracted January 22, 2021.

“Intracranial Hemorrhage in COVID-19 Patients on ECMO: Challenges and Future Directions,” published on June 6, 2020 in the Journal of Cardiothoracic and Vascular Anesthesia; retraction date is unknown.

“Ivermectin in COVID-19 Related Critical Illness,” preprint posted in April 2020 on SSRN: Social Science Resource Network, retracted sometime in May. Reporting from The Scientist here.

“Liver impairment associated with disease progression in COVID‐19 patients,” published April 15, 2020 in Liver International and retracted in August/September 2020.

“Lung disease severity, Coronary Artery Calcium, Coronary inflammation and Mortality in Coronavirus Disease 2019.” medRxiv preprint posted May 6, 2020 and withdrawn June 20, 2020.

“Lung ultrasound score in establishing the timing of intubation in COVID-19 interstitial pneumonia: A preliminary retrospective observational study,” published in PLOS ONE on September 3, 2020; Expression of concern published in PLOS ONE on November 30, 2020; retracted December 31, 2020. Our coverage here.

“Malta tourism losses due to second wave of COVID-19,” published on October 1, 2020 in Early Human Development; retracted sometime in March, 2021.

“Managing college operations during the coronavirus outbreak,” published April 10, 2020 in Journal of the American Pharmacists Association, date of retraction unknown.

“Mechanical ventilation in COVID-19: Is it due to patient or virology factors,” published on June 14, 2020 in the Annals of Medicine and Surgery; date of retraction is unknown.

“Mental health burden for the public affected by the COVID-19 outbreak in China: Who will be the high-risk group?,” published April 14, 2020 in Psychology, Health & Medicine and retracted on October 23, 2020. Our coverage here.

“Mental health status and coping strategy of medical workers in China during The COVID-19 outbreak,” preprint posted on medRxiv on February 25, 2020, withdrawn on March 7, 2020.

“Mortality of a pregnant patient diagnosed with COVID-19: A case report with clinical, radiological, and histopathological findings,” published in Travel Medicine and Infectious Disease on April 11, 2020, retracted on May 2, 2020. Our coverage here.

“mRNA Vaccines to Prevent COVID-19 Disease and Reported Allergic Reactions: Current Evidence and Approach,” published December 31, 2020 in The Journal of Allergy and Clinical Immunology: In Practice. Temporary Removal published on unknown date.

“Needed: Less influenza vaccine hesitancy and less presenteeism among health care workers in the COVID-19 era,” published on October 1, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“No Deleterious Effect of Lockdown Due to COVID-19 Pandemic on Glycaemic Control, Measured by Glucose Monitoring, in Adults with Type 1 Diabetes,” published on May 12, 2020 in Diabetes Technology & Therapeutics, retracted July 27, 2020. Our coverage here.

“Noninvasive versus invasive ventilation: one modality cannot fit all during COVID-19 outbreak,” published on July 8, 2020 in the Korean Journal of Anesthesiology, retracted on September 14, 2020. Our coverage here.

“Noteworthy Neurological Manifestations Associated With COVID-19 Infection,” published on July 3, 2020 in Cureus, retracted on March 5, 2021.

“Novel research opportunities: an unfortunate small silver lining to COVID-19,” published on October 2, 2020 in Early Human Development; retracted on sometime in March, 2021. See our coverage here.

“Novel research opportunities 2: An unfortunate small silver lining to COVID-19,” published on November 12, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“Nurses reports of actual work hours and preferred work hours per shift among frontline nurses during coronavirus disease 2019 (COVID-19) epidemic: A cross-sectional survey,” published on May 16, 2020 in the International Journal of Nursing Studies; date of retraction is unknown.

“Obesity and mortality of COVID-19. Meta-analysis,” published on July 9, 2020 in Obesity Research & Clinical Practice, retracted February 6, 2021.

“One of COVID-19’s many costs: Malta’s expenditure in consumables and non-consumables, a population-based study,” published on October 1, 2021 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“Patterns of COVID-19 Mortality and Vitamin D: An Indonesian Study,” preprint posted on April 30, 2020 in SSRN: Social Science Resource Network. Retraction date unknown. (Hat tip to HealthNerd)

“Phytotherapeutic options for the treatment of COVID‐19: A concise viewpoint,” published on August 20, 2020 in Phytotherapy Research; retracted on December 30, 2020.

“Potential False-Positive Rate Among the ‘Asymptomatic Infected Individuals’ in Close Contacts of COVID-19 Patients,” published March 5, 2020 in the Chinese Journal of Epidemiology and retracted a few days later. More context here.

“Proposal for Initiative of Evidence-based Treatment of COVID-19 Patients with Worsening Hypoxia,” published on October 7, 2020 in the American Journal of Respiratory and Critical Care Medicine; date of retraction unknown.

“Psychosis: A Presentation of COVID-19,” published on June 12, 2020 in Psychosomatics; date of retraction is unknown.

“Psychiatric Predictors of COVID-19 Outcomes in a Skilled Nursing Facility Cohort” medRxiv preprint posted May 26, 2020, and withdrawn June 21, 2020.

“Racial Disparity Amongst Stroke Patients During the Coronavirus Disease 2019 Pandemic,” published on September 10, 2020 in Cureus; retracted on January 13, 2021.

“Review of the Emerging Evidence Demonstrating the Efficacy of Ivermectin in the Prophylaxis & Treatment of COVID-19,” published as an abstract at Frontiers in Pharmacology in January 2021, removed without a notice by March 1, 2021. Coverage by The Scientist here.

“Safe school reopening under COVID-19 restrictions – Measures implemented in San Andrea independent school in Malta,” published on October 1, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“SARS-CoV-2 infects T lymphocytes through its spike protein-mediated membrane fusion,” published in Cellular & Molecular Immunology April 7, 2020, subject to an expression of concern in early June 2020, retracted July 10, 2020. Our coverage here.

“SARS-CoV-2 was Unexpectedly Deadlier than Push-scooters: Could Hydroxychloroquine be the Unique Solution?” published on August 15, 2020 in Asian Journal of Medicine and Health, retracted August 16, 2020. Our coverage here.

“Seeding of outbreaks of COVID-19 by contaminated fresh and frozen food,” preprint published on August 18, 2020 in bioRxiv; retracted on March 13, 2021.

“Selenium-associated gene signatures within the SARS-CoV-2-host genomic interaction interface,” published on July 15, 2020 in Free Radical Biology & Medicine; date of retraction is unknown.

“Sharp decline in acute and elective hospital attendances and admissions due to COVID-19 in Malta (Q1 2020) – A population-based study,” published on November 12, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“Smoking Prevalence is Low in Symptomatic Patients Admitted for COVID-19.” medRxiv preprint posted May 10, 2020 and withdrawn June 13, 2020.

“Some health effects of global warming,” published on October 1, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“Sports and sportsmen as role models – or otherwise – in the COVID-19 era,” published on November 12, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“Subsegmental Thrombus in COVID-19 Pneumonia: Immuno-Thrombosis or Pulmonary Embolism? Data Analysis of Hospitalized Patients with Coronavirus Disease,” published on August 24, 2020 in Heart, Lung and Circulation; retraction date is unknown.

“The early cryptic transmission and evolution of SARS-CoV-2 in human hosts,” preprint posted on November 17, 2020 in SSRN: Social Science Resource Network, withdrawn at an unknown date. Coverage in the media here.

“The Role of Vitamin D in Suppressing Cytokine Storm in COVID-19 Patients and Associated Mortality,” preprint posted on April 10, 2020 in medRxiv; withdrawn on April 15, 2020.

“Theoretical novel COVID-19 vaccination risk of rare and severe adverse events versus COVID-19 mortality,” published on October 1, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“The way in which COVID-19 changed behaviour on social media in Malta,” published on November 12, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“The Spanish Flu, COVID-19 and Malta’s reactions: Contrasts and similarities,” published on November 12, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“To wear or not to wear? Adherence to face mask use during the COVID-19 and Spanish influenza pandemics,” published on November 12, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“Treatment Response to Hydroxychloroquine, Lopinavir/Ritonavir, and Antibiotics for Moderate COVID 19: A First Report on the Pharmacological Outcomes from South Korea” preprint posted May 18, 2020 in medRxiv, and withdrawn June 14, 2020.

“Uncanny similarity of unique inserts in the 2019-nCoV spike protein to HIV-1 gp120 and Gag,” preprint posted January 31, 2020 in bioRxiv and withdrawn February 2, 2020. More context here.

“Usefulness of Ivermectin in COVID-19 Illness,” preprint posted on April 19, 2020 on SSRN: Social Science Resource Network, retracted sometime thereafter.

“Vaccine hesitancy among Maltese Healthcare workers toward influenza and novel COVID-19 vaccination,” published on October 1, 2020 in Early Human Development; retracted on sometime in March, 2021. See our coverage here.

“Vaccine hesitancy in Maltese family physicians and their trainees vis-à-vis influenza and novel COVID-19 vaccination,” published on November 12, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“Vaccine hesitancy in the University of Malta Faculties of Health Sciences, Dentistry and Medicine vis-à-vis influenza and novel COVID-19 vaccination,” published on November 12, 2020 in Early Human Development; retracted sometime in March, 2021. See our coverage here.

“Vitamin D Level of Mild and Severe Elderly Cases of COVID-19: A Preliminary Report,” preprint posted on May 5, 2020 in SSRN: Social Science Resource Network; unknown date of retraction.

“Vitamin D supplementation could possibly improve clinical outcomes of patients infected with Coronavirus-2019 (COVID2019),” preprint posted on April 9, 2020 in SSRN: Social Science Resource Network; unknown date of retraction.