Expression of concern
Vitamin D sufficiency, a serum 25-hydroxyvitamin D at least 30 ng/mL reduced risk for adverse clinical outcomes in patients with COVID-19 infection
Paper Information
Record ID:
31362
Author(s):
Publication Date:
September 25, 2020
Retraction Date:
October 14, 2020
(5.1 years years ago)
Subjects:
Institutions:
- Multiple Sclerosis Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
- Research Development Center, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran
- Endocrinology Department, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran
- Department of Infectious Diseases, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran
- Department of Internal Medicine, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran
- Department of Pathology, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran, Department of Medicine, Section of Endocrinology, Nutrition, Diabetes and Weight Management, Boston University Medical Center, Boston, Massachusetts, United States of America
Countries:
Article Type:
Publisher:
PLoS
Open Access:
Yes
PubMed ID:
Retraction PubMed ID:
Expression of concern Details
Retraction Reasons:
Nature of Retraction:
Expression of concern
Retraction Notice:
10.1371/journal.pone.0240965Citations (272)
272
Total Citations266
Post-Retraction(97.8%)
5
Pre-Retraction1
Same DayPost-Retraction Citation Analysis
8
Within 30 days
130
Within 1 year
62
After 2+ years
1532
Days since retraction (latest)
Editorial: COVID-19 in older persons: the role of nutrition
Jürgen M. Bauer, John E. Morley
Current Opinion in Clinical Nutrition & Metabolic Care
Open Access
Published: Dec 2020
14 citations
14 citations
52 days after retraction
Effect of Vitamin D deficiency on COVID-19 status: A systematic review
Pranta Das, Nandeeta Samad, Bright Opoku Ahinkorah et al. (6 authors)
medRxiv (Cold Spring Harbor Laboratory)
Open Access
Published: Dec 2020
2 citations
2 citations
50 days after retraction
Vitamin D and COVID-19: evidence and recommendations for supplementation
George E. Griffin, Martin Hewison, Julian M. Hopkin et al. (8 authors)
Royal Society Open Science
Open Access
Published: Dec 2020
80 citations
80 citations
48 days after retraction
COVID-19-Update für Senioren: Die Anti-SARS-CoV-2-Eigenschaften ausgewählter Mikronährstoffe
Uwe Gröber
Zeitschrift für Orthomolekulare Medizin
Published: Dec 2020
48 days after retraction
Why is COVID-19 less severe in children? A review of the proposed mechanisms underlying the age-related difference in severity of SARS-CoV-2 infections
Petra Zimmermann, Nigel Curtis
Archives of Disease in Childhood
Open Access
Published: Dec 2020
499 citations
499 citations
48 days after retraction
Reply to: “Vitamin D Insufficiency May Account for Almost Nine of Ten COVID-19 Deaths: Time to Act. Comment on: Vitamin D Deficiency and Outcome of COVID-19 Patients. Nutrients 2020, 12, 2757”
Aleksandar Radujkovic, Uta Merle
Nutrients
Open Access
Published: Nov 2020
9 citations
9 citations
44 days after retraction
Putative roles of vitamin D in modulating immune response and immunopathology associated with COVID-19
Raman Kumar, Himani Rathi, Afrozul Haq et al. (5 authors)
Virus Research
Open Access
Published: Nov 2020
153 citations
153 citations
38 days after retraction
Mortality rates in matched cohort, pseudo-randomised and randomised trials of convalescent plasma given to COVID-19 patients
Amar Ahmad, Marwa Salsabil, R.T.D. Oliver
medRxiv (Cold Spring Harbor Laboratory)
Open Access
Published: Nov 2020
2 citations
2 citations
37 days after retraction
Short term, high-dose vitamin D supplementation for COVID-19 disease: a randomised, placebo-controlled, study (SHADE study)
Ashu Rastogi, Anil Bhansali, N. Khare et al. (8 authors)
Postgraduate Medical Journal
Open Access
Published: Nov 2020
310 citations
310 citations
29 days after retraction
Vitamin D supplementation and outcomes in coronavirus disease 2019 (COVID-19) patients from the outbreak area of Lombardy, Italy
Emanuele Cereda, Laura Bogliolo, Federica Lobascio et al. (7 authors)
Nutrition
Open Access
Published: Nov 2020
69 citations
69 citations
28 days after retraction
Serum 25(OH)D Level on Hospital Admission Associated With COVID-19 Stage and Mortality
Dieter De Smet, K. De Smet, Pauline Herroelen et al. (5 authors)
American Journal of Clinical Pathology
Open Access
Published: Nov 2020
155 citations
155 citations
26 days after retraction
Vitamin D deficiency aggravates COVID-19: systematic review and meta-analysis
Marcos Pereira, Alialdo Dantas Damascena, Laylla Mirella Galvão Azevêdo et al. (5 authors)
Critical Reviews in Food Science and Nutrition
Published: Nov 2020
440 citations
440 citations
21 days after retraction
Vitamin D Supplementation Associated to Better Survival in Hospitalized Frail Elderly COVID-19 Patients: The GERIA-COVID Quasi-Experimental Study
Gaëlle Annweiler, Mathieu Corvaisier, Jennifer Gautier et al. (7 authors)
Nutrients
Open Access
Published: Nov 2020
248 citations
248 citations
19 days after retraction
Vitamin D 25OH deficiency in COVID-19 patients admitted to a tertiary referral hospital
Emanuele Cereda, Laura Bogliolo, Catherine Klersy et al. (23 authors)
Clinical Nutrition
Open Access
Published: Nov 2020
87 citations
87 citations
19 days after retraction
Is there a link between vitamin D status, <scp>SARS‐CoV</scp>‐2 infection risk and <scp>COVID</scp>‐19 severity?
Davide Ferrari, Massimo Locatelli, Matteo Briguglio et al. (4 authors)
Cell Biochemistry and Function
Published: Nov 2020
31 citations
31 citations
19 days after retraction
Is the Inversion in the Trend of the Lethality of the COVID-19 in the Two Hemispheres due to the Difference in Seasons and Weather?
Mauro Giovanni Carta, Goce Kalcev, Alessandra Scano et al. (15 authors)
Biointerface Research in Applied Chemistry
Open Access
Published: Oct 2020
3 citations
3 citations
12 days after retraction
Expression of Concern: Vitamin D sufficiency, a serum 25-hydroxyvitamin D at least 30 ng/mL reduced risk for adverse clinical outcomes in patients with COVID-19 infection
Unknown Authors
PLoS ONE
Open Access
Published: Oct 2020
8 citations
8 citations
Same day as retraction
The Role of Vitamin D in the Age of COVID-19: A Systematic Review and Meta-Analysis
Roya Ghasemian, Amir Shamshirian, Keyvan Heydari et al. (23 authors)
medRxiv (Cold Spring Harbor Laboratory)
Open Access
Published: Jun 2020
22 citations
22 citations
128 days before retraction
A Modified System of Nonlinear Fractional-Order Differential Equations in the Study of the Dynamics of Marital Relationships and their Behavioural Features
Armen B. Avagyan
Athens Journal of Sciences
Open Access
Published: Jan 2020
72 citations
72 citations
268 days before retraction
Measuring the Change in European and US COVID-19 Death Rates
Zeina S. Khan, Frank Van Bussel, Fazle Hussain
arXiv (Cornell University)
Open Access
Published: Jan 2020
287 days before retraction
Vitamina D, sus acciones “no clásicas” y su utilidad en la pandemia del COVID-19
José Luis Mansur
Revista De Nefrologia Dialisis Y Trasplante
Published: Jan 2020
287 days before retraction
COVİD-19 ile Mücadelede Türk Mutfağının Önemi The Importance of Turkish Cuisine in Fighting COVID-19
Nurten ÇEKAL, Hatice AKTÜRK
AYDIN GASTRONOMY
Open Access
Published: Jan 2017
1 citation
1 citation
1382 days before retraction
Related Records
This article has multiple records in the database due to different notices:
Record #54048
Jun 06, 2024Quick Stats
Total Citations:
272
Years Since Retraction:
5.1 years
Open Access:
Yes
Last Checked:
Jul 24, 2025