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OpenAlex Citation Counts

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OpenAlex is a bibliographic catalogue of scientific papers, authors and institutions accessible in open access mode, named after the Library of Alexandria. It's citation coverage is excellent and I hope you will find utility in this listing of citing articles!

If you click the article title, you'll navigate to the article, as listed in CrossRef. If you click the Open Access links, you'll navigate to the "best Open Access location". Clicking the citation count will open this listing for that article. Lastly at the bottom of the page, you'll find basic pagination options.

Requested Article:

SARS-CoV-2 positivity rates associated with circulating 25-hydroxyvitamin D levels
Harvey W. Kaufman, Justin K. Niles, Martin H. Kroll, et al.
PLoS ONE (2020) Vol. 15, Iss. 9, pp. e0239252-e0239252
Open Access | Times Cited: 366

Showing 1-25 of 366 citing articles:

Effect of a Single High Dose of Vitamin D3 on Hospital Length of Stay in Patients With Moderate to Severe COVID-19
Igor Hisashi Murai, Alan Lins Fernandes, Lucas Peixoto Sales, et al.
JAMA (2021) Vol. 325, Iss. 11, pp. 1053-1053
Open Access | Times Cited: 456
Evidence Regarding Vitamin D and Risk of COVID-19 and Its Severity
Joseph Mercola, William B. Grant, Carol L. Wagner
Nutrients (2020) Vol. 12, Iss. 11, pp. 3361-3361
Open Access | Times Cited: 260
Environmental effects of stratospheric ozone depletion, UV radiation, and interactions with climate change: UNEP Environmental Effects Assessment Panel, Update 2020
Rachel Ε. Neale, Paul W. Barnes, T. Matthew Robson, et al.
Photochemical & Photobiological Sciences (2021) Vol. 20, Iss. 1, pp. 1-67
Open Access | Times Cited: 172
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.
American Journal of Clinical Pathology (2020) Vol. 155, Iss. 3, pp. 381-388
Open Access | Times Cited: 153
Vitamin D Status and SARS-CoV-2 Infection and COVID-19 Clinical Outcomes
Iacopo Chiodini, Davide Gatti, Davide Soranna, et al.
Frontiers in Public Health (2021) Vol. 9
Open Access | Times Cited: 150
Association of Vitamin D Status with SARS-CoV-2 Infection or COVID-19 Severity: A Systematic Review and Meta-analysis
Asma Kazemi, Vida Mohammadi, Sahar Keshtkar Aghababaee, et al.
Advances in Nutrition (2021) Vol. 12, Iss. 5, pp. 1636-1658
Open Access | Times Cited: 127
The Impact of Vitamin D Level on COVID-19 Infection: Systematic Review and Meta-Analysis
Amare Teshome, Aynishet Adane, Biruk Girma, et al.
Frontiers in Public Health (2021) Vol. 9
Open Access | Times Cited: 123
Vitamin D supplementation and clinical outcomes in COVID-19: a systematic review and meta-analysis
Rimesh Pal, Mainak Banerjee, Sanjay Kumar Bhadada, et al.
Journal of Endocrinological Investigation (2021) Vol. 45, Iss. 1, pp. 53-68
Open Access | Times Cited: 114
Vitamin D supplementation and COVID-19 risk: a population-based, cohort study
J. Oristrell, Joan Carles Oliva, E. Casado, et al.
Journal of Endocrinological Investigation (2021) Vol. 45, Iss. 1, pp. 167-179
Open Access | Times Cited: 109
Does the High Prevalence of Vitamin D Deficiency in African Americans Contribute to Health Disparities?
Bruce N. Ames, William B. Grant, Walter C. Willett
Nutrients (2021) Vol. 13, Iss. 2, pp. 499-499
Open Access | Times Cited: 106
Vitamin D Regulation of Immune Function
Daniel D. Bikle
Current Osteoporosis Reports (2022) Vol. 20, Iss. 3, pp. 186-193
Open Access | Times Cited: 86
Efficacy and Safety of Vitamin D Supplementation to Prevent COVID-19 in Frontline Healthcare Workers. A Randomized Clinical Trial
Miguel Ángel Villasís-Keever, Mardia López‐Alarcón, Marı́a Guadalupe Miranda-Novales, et al.
Archives of Medical Research (2022) Vol. 53, Iss. 4, pp. 423-430
Open Access | Times Cited: 83
Pre-infection 25-hydroxyvitamin D3 levels and association with severity of COVID-19 illness
Amiel A. Dror, Nicole G. Morozov, Amani Daoud, et al.
PLoS ONE (2022) Vol. 17, Iss. 2, pp. e0263069-e0263069
Open Access | Times Cited: 81
Association of vitamin D status with COVID-19 and its severity
Jae Hyun Bae, Hun Jee Choe, Michael F. Holick, et al.
Reviews in Endocrine and Metabolic Disorders (2022) Vol. 23, Iss. 3, pp. 579-599
Open Access | Times Cited: 78
Vitamin D and SARS-CoV2 infection, severity and mortality: A systematic review and meta-analysis
Oriana D’Ecclesiis, Costanza Gavioli, Chiara Martinoli, et al.
PLoS ONE (2022) Vol. 17, Iss. 7, pp. e0268396-e0268396
Open Access | Times Cited: 71
Infections and Autoimmunity—The Immune System and Vitamin D: A Systematic Review
Sunil J. Wimalawansa
Nutrients (2023) Vol. 15, Iss. 17, pp. 3842-3842
Open Access | Times Cited: 45
Vitamin D: Evidence-Based Health Benefits and Recommendations for Population Guidelines
William B. Grant, Sunil J. Wimalawansa, Paweł Płudowski, et al.
Nutrients (2025) Vol. 17, Iss. 2, pp. 277-277
Open Access | Times Cited: 4
Low vitamin D levels do not aggravate COVID-19 risk or death, and vitamin D supplementation does not improve outcomes in hospitalized patients with COVID-19: a meta-analysis and GRADE assessment of cohort studies and RCTs
Jie Chen, Kaibo Mei, Lixia Xie, et al.
Nutrition Journal (2021) Vol. 20, Iss. 1
Open Access | Times Cited: 100
Vitamin D and COVID-19 severity and related mortality: a prospective study in Italy
Irene Campi, Luigi Gennari, Daniela Merlotti, et al.
BMC Infectious Diseases (2021) Vol. 21, Iss. 1
Open Access | Times Cited: 98
Calcifediol Treatment and Hospital Mortality Due to COVID-19: A Cohort Study
Juan F. Alcalá‐Díaz, Laura Limia Pérez, Ricardo Gómez‐Huelgas, et al.
Nutrients (2021) Vol. 13, Iss. 6, pp. 1760-1760
Open Access | Times Cited: 97
RETRACTED ARTICLE: Impact of daily high dose oral vitamin D therapy on the inflammatory markers in patients with COVID 19 disease
Maheshwar Lakkireddy, Srikanth Goud Gadiga, Ravela Malathi, et al.
Scientific Reports (2021) Vol. 11, Iss. 1
Open Access | Times Cited: 91
Treatment With 25-Hydroxyvitamin D3 (Calcifediol) Is Associated With a Reduction in the Blood Neutrophil-to-Lymphocyte Ratio Marker of Disease Severity in Hospitalized Patients With COVID-19: A Pilot Multicenter, Randomized, Placebo-Controlled, Double-Blinded Clinical Trial
Zhila Maghbooli, Mohammad Ali Sahraian, Saeidreza Jamalimoghadamsiahkali, et al.
Endocrine Practice (2021) Vol. 27, Iss. 12, pp. 1242-1251
Open Access | Times Cited: 90
COVID-19 Disease Severity and Death in Relation to Vitamin D Status among SARS-CoV-2-Positive UAE Residents
Habiba Alsafar, William B. Grant, Rafiq Hijazi, et al.
Nutrients (2021) Vol. 13, Iss. 5, pp. 1714-1714
Open Access | Times Cited: 86
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.
International Journal of Clinical Practice (2021) Vol. 75, Iss. 11
Open Access | Times Cited: 85
Vitamin D and COVID-19: evidence and recommendations for supplementation
George E. Griffin, Martin Hewison, Julian M. Hopkin, et al.
Royal Society Open Science (2020) Vol. 7, Iss. 12, pp. 201912-201912
Open Access | Times Cited: 78
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