1. Han S, Meydani S. Antioxidants, Cytokines, and Influenza Infection in Aged Mice and Elderly Humans. J Infect Dis. 2000;182 Suppl 1:S74-80. 2. Pangrazzi L. Boosting the immune system with antioxidants: where are we now? The Biochemist. 2019;41:42-4. 3. Linus Pauling Quotes [Internet]. BrainyQuote. [cited 2020 Apr 7]. Available from: https://www.brainyquote.com/quotes/linus_pauling_539793 4. The Nobel Prize in Chemistry 1954 [Internet]. NobelPrize.org. [cited 2020 Apr 7]. Available from: https://www.nobelprize.org/prizes/chemistry/1954/pauling/biographical/ 5. La vitamine C : tout sur l'acide ascorbique [Internet]. https://www.passeportsante.net/. 2011 [cited 2020 Apr 9]. Available from: https://www.passeportsante.net/fr/Nutrition/PalmaresNutriments/Fiche.aspx?doc=vitamine_c_nu 6. Carr AC, Maggini S. Vitamin C and Immune Function. Nutrients [Internet]. 2017 [cited 2020 Apr 7];9. Available from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5707683/ 7. Anderson R, Smit MJ, Joone GK, Van Staden AM. Vitamin C and cellular immune functions. Protection against hypochlorous acid-mediated inactivation of glyceraldehyde-3-phosphate dehydrogenase and ATP generation in human leukocytes as a possible mechanism of ascorbate-mediated immunostimulation. Ann N Y Acad Sci. 1990;587:34-48. 8. Siegel BV. Enhancement of interferon production by poly(rI)·poly(rC) in mouse cell cultures by ascorbic acid. Nature. Nature Publishing Group; 1975;254:531-2. 9. Manzella JP, Roberts NJ. Human macrophage and lymphocyte responses to mitogen stimulation after exposure to influenza virus, ascorbic acid, and hyperthermia. J Immunol Baltim Md 1950. 1979;123:1940-4. 10. Jeong Y-J, Kim J-H, Hong J-M, Kang JS, Kim H-R, Lee WJ, Hwang Y. Vitamin C treatment of mouse bone marrow-derived dendritic cells enhanced CD8(+) memory T cell production capacity of these cells in vivo. Immunobiology. 2014;219:554-64. 11. White LA, Freeman CY, Forrester BD, Chappell WA. In vitro effect of ascorbic acid on infectivity of herpesviruses and paramyxoviruses. J Clin Microbiol. 1986;24:527-31. 12. Oudemans-van Straaten HM, Spoelstra-de Man AM, de Waard MC. Vitamin C revisited. Crit Care Lond Engl. 2014;18:460. 13. Chen Q, Espey MG, Krishna MC, Mitchell JB, Corpe CP, Buettner GR, Shacter E, Levine M. Pharmacologic ascorbic acid concentrations selectively kill cancer cells: action as a pro-drug to deliver hydrogen peroxide to tissues. Proc Natl Acad Sci U S A. 2005;102:13604-9. 14. Carr A, Frei B. Does vitamin C act as a pro-oxidant under physiological conditions? FASEB J Off Publ Fed Am Soc Exp Biol. 1999;13:1007-24. 15. Mühlhöfer A, Mrosek S, Schlegel B, Trommer W, Rozario F, Böhles H, Schremmer D, Zoller WG, Biesalski HK. High-dose intravenous vitamin C is not associated with an increase of pro-oxidative biomarkers. Eur J Clin Nutr. 2004;58:1151-8. 16. Hu X, Yuan L, Wang H, Li C, Cai J, Hu Y, Ma C. Efficacy and safety of vitamin C for atrial fibrillation after cardiac surgery: A meta-analysis with trial sequential analysis of randomized controlled trials. Int J Surg Lond Engl. 2017;37:58-64. 17. Pauling L. The Significance of the Evidence about Ascorbic Acid and the Common Cold. Proc Natl Acad Sci U S A. 1971;68:2678-81. 18. Field CJ, Johnson IR, Schley PD. Nutrients and their role in host resistance to infection. J Leukoc Biol. 2002;71:16-32. 19. Can Vitamin C Prevent or Cure Colds? [Internet]. [cited 2020 Apr 9]. Available from: https://www.healthline.com/nutrition/does-vitamin-c-help-with-colds#section1 20. Hemilä H. Vitamin C and SARS coronavirus. J Antimicrob Chemother. 2003;52:1049-50. 21. Vitamin C Infusion for the Treatment of Severe 2019-nCoV Infected Pneumonia - Full Text View - ClinicalTrials.gov [Internet]. [cited 2020 Apr 9]. Available from: https://clinicaltrials.gov/ct2/show/NCT04264533 22. Gallagher JC, Yalamanchili V, Smith LM. The Effect of Vitamin D on Calcium Absorption in Older Women. J Clin Endocrinol Metab. 2012;97:3550-6. 23. Calcium/Vitamin D Requirements, Recommended Foods & Supplements [Internet]. National Osteoporosis Foundation. [cited 2020 Apr 9]. Available from: https://www.nof.org/patients/treatment/calciumvitamin-d/ 24. Webb AR, Kline L, Holick MF. Influence of season and latitude on the cutaneous synthesis of vitamin D3: exposure to winter sunlight in Boston and Edmonton will not promote vitamin D3 synthesis in human skin. J Clin Endocrinol Metab. 1988;67:373-8. 25. MacLaughlin J, Holick MF. Aging decreases the capacity of human skin to produce vitamin D3. J Clin Invest. 1985;76:1536-8. 26. Tangpricha V, Pearce EN, Chen TC, Holick MF. Vitamin D insufficiency among free-living healthy young adults. Am J Med. 2002;112:659-62. 27. Holick MF. Sunlight and vitamin D for bone health and prevention of autoimmune diseases, cancers, and cardiovascular disease. Am J Clin Nutr. 2004;80:1678S-88S. 28. Gouvernement du Canada A canadienne d'inspection des aliments. Enrichissement des aliments [Internet]. 2016 [cited 2020 Mar 31]. Available from: https://www.inspection.gc.ca/exigences-en-matiere-d-etiquetage-des-aliments/etiquetage/industrie/enrichissement-des-aliments/fra/1468504433692/1468504697186 29. Vitamin D2 vs. D3: What's the Difference? [Internet]. Healthline. [cited 2020 Apr 9]. Available from: https://www.healthline.com/nutrition/vitamin-d2-vs-d3 30. 10 aliments riches en vitamine D [Internet]. https://www.passeportsante.net/. 2019 [cited 2020 Apr 9]. Available from: https://www.passeportsante.net/fr/Actualites/Dossiers/DossierComplexe.aspx?doc=10-aliments-vitamine-D-le-saumon-une-excellente-source-de-vitamine-d 31. Nair R, Maseeh A. Vitamin D: The "sunshine" vitamin. J Pharmacol Pharmacother. 2012;3:118-26. 32. Urashima M, Segawa T, Okazaki M, Kurihara M, Wada Y, Ida H. Randomized trial of vitamin D supplementation to prevent seasonal influenza A in schoolchildren. Am J Clin Nutr. 2010;91:1255-60. 33. Vitamin D modulation of innate immune responses to respiratory viral infections. - PubMed - NCBI [Internet]. [cited 2020 Apr 9]. Available from: https://www.ncbi.nlm.nih.gov/pubmed/27714929 34. Lang PO, Samaras N, Samaras D, Aspinall R. How important is vitamin D in preventing infections? Osteoporos Int J Establ Result Coop Eur Found Osteoporos Natl Osteoporos Found USA. 2013;24:1537-53. 35. Anti-Inflammatory Effects of Vitamin D on Human Immune Cells in the Context of Bacterial Infection [Internet]. [cited 2020 Apr 9]. Available from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5188461/ 36. Lang PO, Aspinall R. Vitamin D Status and the Host Resistance to Infections: What It Is Currently (Not) Understood. Clin Ther. 2017;39:930-45. 37. Martineau AR, Jolliffe DA, Greenberg L, Aloia JF, Bergman P, Dubnov-Raz G, Esposito S, Ganmaa D, Ginde AA, Goodall EC, et al. Vitamin D supplementation to prevent acute respiratory infections: individual participant data meta-analysis. Health Technol Assess Winch Engl. 2019;23:1-44. 38. Upala S, Sanguankeo A, Permpalung N. Significant association between vitamin D deficiency and sepsis: a systematic review and meta-analysis. BMC Anesthesiol [Internet]. 2015 [cited 2020 Apr 9];15. Available from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4455341/ 39. de Haan K, Groeneveld AJ, de Geus HR, Egal M, Struijs A. Vitamin D deficiency as a risk factor for infection, sepsis and mortality in the critically ill: systematic review and meta-analysis. Crit Care [Internet]. 2014 [cited 2020 Apr 9];18. Available from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4277653/ 40. He C-S, Aw Yong XH, Walsh NP, Gleeson M. Is there an optimal vitamin D status for immunity in athletes and military personnel? Exerc Immunol Rev. 2016;22:42-64. 41. Zinc : tout sur cet oligo-élément essentiel [Internet]. https://www.passeportsante.net/. 2011 [cited 2020 Apr 9]. Available from: https://www.passeportsante.net/fr/Nutrition/PalmaresNutriments/Fiche.aspx?doc=zinc_nu 42. Maares M, Haase H. Zinc and immunity: An essential interrelation. Arch Biochem Biophys. 2016;611:58-65. 43. Science M, Johnstone J, Roth DE, Guyatt G, Loeb M. Zinc for the treatment of the common cold: a systematic review and meta-analysis of randomized controlled trials. CMAJ Can Med Assoc J. 2012;184:E551-61. 44. Singh M, Das RR. Zinc for the common cold. Cochrane Database Syst Rev. 2013;CD001364. 45. Duchateau J, Delepesse G, Vrijens R, Collet H. Beneficial effects of oral zinc supplementation on the immune response of old people. Am J Med. 1981;70:1001-4. 46. Faber C, Gabriel P, Ibs K-H, Rink L. Zinc in pharmacological doses suppresses allogeneic reaction without affecting the antigenic response. Bone Marrow Transplant. 2004;33:1241-6. 47. Wellinghausen N, Driessen C, Rink L. Stimulation of human peripheral blood mononuclear cells by zinc and related cations. Cytokine. 1996;8:767-71. 48. Souffrez-vous de déficit ou de carence en Zinc ? - Articles Santé [Internet]. Sante et nutrition. 2017 [cited 2020 Apr 9]. Available from: http://www.sante-et-nutrition.com/deficit-zinc/ 49. Quelle alimentation adopter pendant le coronavirus (Covid-19) ? [Internet]. Sante et nutrition. 2020 [cited 2020 Apr 1]. Available from: http://www.sante-et-nutrition.com/quelle-alimentation-contre-le-coronavirus-covid19-complement-alimentaire/ 50. Mamani-Matsuda M, Kauss T, Al-Kharrat A, Rambert J, Fawaz F, Thiolat D, Moynet D, Coves S, Malvy D, Mossalayi MD. Therapeutic and preventive properties of quercetin in experimental arthritis correlate with decreased macrophage inflammatory mediators. Biochem Pharmacol. 2006;72:1304-10. 51. Kobori M, Takahashi Y, Sakurai M, Akimoto Y, Tsushida T, Oike H, Ippoushi K. Quercetin suppresses immune cell accumulation and improves mitochondrial gene expression in adipose tissue of diet-induced obese mice. Mol Nutr Food Res. 2016;60:300-12. 52. Li Y, Yao J, Han C, Yang J, Chaudhry MT, Wang S, Liu H, Yin Y. Quercetin, Inflammation and Immunity. Nutrients [Internet]. 2016 [cited 2020 Apr 7];8. Available from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4808895/ 53. Farazuddin M, Mishra R, Jing Y, Srivastava V, Comstock AT, Sajjan US. Quercetin prevents rhinovirus-induced progression of lung disease in mice with COPD phenotype. PLOS ONE. Public Library of Science; 2018;13:e0199612. 54. Chiow KH, Phoon MC, Putti T, Tan BKH, Chow VT. Evaluation of antiviral activities of Houttuynia cordata Thunb. extract, quercetin, quercetrin and cinanserin on murine coronavirus and dengue virus infection. Asian Pac J Trop Med. 2016;9:1-7. 55. Jo S, Kim H, Kim S, Shin DH, Kim M-S. Characteristics of flavonoids as potent MERS-CoV 3C-like protease inhibitors. Chem Biol Drug Des. 2019;94:2023-30. 56. Wu W, Li R, Li X, He J, Jiang S, Liu S, Yang J. Quercetin as an Antiviral Agent Inhibits Influenza A Virus (IAV) Entry. Viruses. 2015;8.