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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1945 4
1946 11
1947 7
1948 9
1949 10
1950 11
1951 12
1952 12
1953 12
1954 18
1955 19
1956 19
1957 22
1958 29
1959 15
1960 13
1961 17
1962 30
1963 58
1964 58
1965 33
1966 30
1967 32
1968 40
1969 42
1970 33
1971 53
1972 50
1973 66
1974 55
1975 62
1976 37
1977 30
1978 23
1979 40
1980 20
1981 25
1982 23
1983 20
1984 31
1985 46
1986 38
1987 50
1988 58
1989 70
1990 82
1991 102
1992 105
1993 102
1994 110
1995 128
1996 117
1997 137
1998 122
1999 109
2000 123
2001 97
2002 132
2003 132
2004 136
2005 134
2006 133
2007 119
2008 135
2009 157
2010 198
2011 249
2012 290
2013 291
2014 292
2015 278
2016 286
2017 237
2018 197
2019 250
2020 716
2021 1050
2022 844
2023 565
2024 415
2025 343
2026 98

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9,583 results

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Page 1
Infections and Autoimmunity-The Immune System and Vitamin D: A Systematic Review.
Wimalawansa SJ. Wimalawansa SJ. Nutrients. 2023 Sep 2;15(17):3842. doi: 10.3390/nu15173842. Nutrients. 2023. PMID: 37686873 Free PMC article.
Despite cost-benefits, the prevalence of vitamin D deficiency remains high worldwide. This was clear among those who died from COVID-19 in 2020/21-most had severe vitamin D deficiency. ...Those with gastrointestinal malabsorption, obesity, or on medications that inc …
Despite cost-benefits, the prevalence of vitamin D deficiency remains high worldwide. This was clear among those who died from COVID- …
Immunologic Effects of Vitamin D on Human Health and Disease.
Charoenngam N, Holick MF. Charoenngam N, et al. Nutrients. 2020 Jul 15;12(7):2097. doi: 10.3390/nu12072097. Nutrients. 2020. PMID: 32679784 Free PMC article. Review.
Association between low levels of serum 25-hydroxyvitamin D and increased risk of developing several immune-related diseases and disorders, including psoriasis, type 1 diabetes, multiple sclerosis, rheumatoid arthritis, tuberculosis, sepsis, respiratory infection, a …
Association between low levels of serum 25-hydroxyvitamin D and increased risk of developing several immune-related diseases and diso …
Vitamin C reduces the severity of common colds: a meta-analysis.
Hemilä H, Chalker E. Hemilä H, et al. BMC Public Health. 2023 Dec 11;23(1):2468. doi: 10.1186/s12889-023-17229-8. BMC Public Health. 2023. PMID: 38082300 Free PMC article. Review.
The direct comparison of the effect of vitamin C on mild and severe symptoms was limited to five comparisons which found that vitamin C had a significant benefit on the duration of severe symptoms. In this subset, there was a significant difference in the size of th …
The direct comparison of the effect of vitamin C on mild and severe symptoms was limited to five comparisons which found that vita …
Ingestion, Immunity, and Infection: Nutrition and Viral Respiratory Tract Infections.
Govers C, Calder PC, Savelkoul HFJ, Albers R, van Neerven RJJ. Govers C, et al. Front Immunol. 2022 Feb 28;13:841532. doi: 10.3389/fimmu.2022.841532. eCollection 2022. Front Immunol. 2022. PMID: 35296080 Free PMC article. Review.
Nutrition contributes to the normal functioning of the immune system, with various nutrients acting as energy sources and building blocks during the immune response. Many micronutrients (vitamins and minerals) act as regulators of molecular responses of immune cells to …
Nutrition contributes to the normal functioning of the immune system, with various nutrients acting as energy sources and building blocks du …
Epstein-Barr virus (EBV) reactivation and therapeutic inhibitors.
Kerr JR. Kerr JR. J Clin Pathol. 2019 Oct;72(10):651-658. doi: 10.1136/jclinpath-2019-205822. Epub 2019 Jul 17. J Clin Pathol. 2019. PMID: 31315893 Review.
Epstein-Barr virus (EBV) is a ubiquitous human virus which infects almost all humans during their lifetime and following the acute phase, persists for the remainder of the life of the individual. ...Chronic EBV reactivation is an important mechanism in the pathogene …
Epstein-Barr virus (EBV) is a ubiquitous human virus which infects almost all humans during their lifetime and following the a …
Vitamin D supplementation in a post-pandemic era: A narrative review.
Bopape PG, Wagenaar C, Poka M, Bronkhorst E. Bopape PG, et al. S Afr Fam Pract (2004). 2023 Oct 17;65(1):e1-e6. doi: 10.4102/safp.v65i1.5752. S Afr Fam Pract (2004). 2023. PMID: 37916701 Free PMC article. Review.
Vitamin D is a fat-soluble molecule referring to the different isoforms, ergocalciferol (D2) and cholecalciferol (D3). ...From this review article, it is clear that vitamin D has an important role to play not only in COVID-19 but also in various other health aspects …
Vitamin D is a fat-soluble molecule referring to the different isoforms, ergocalciferol (D2) and cholecalciferol (D3). ...From this r …
Association between vitamin D supplementation and COVID-19 infection and mortality.
Gibbons JB, Norton EC, McCullough JS, Meltzer DO, Lavigne J, Fiedler VC, Gibbons RD. Gibbons JB, et al. Sci Rep. 2022 Nov 12;12(1):19397. doi: 10.1038/s41598-022-24053-4. Sci Rep. 2022. PMID: 36371591 Free PMC article.
Vitamin D deficiency has long been associated with reduced immune function that can lead to viral infection. Several studies have shown that Vitamin D deficiency is associated with increases the risk of infection with COVID-19. ...
Vitamin D deficiency has long been associated with reduced immune function that can lead to viral infection. Several st …
Vitamin C for the common cold and pneumonia.
Hemilä H, Chalker E. Hemilä H, et al. Pol Arch Intern Med. 2025 Jan 30;135(1):16926. doi: 10.20452/pamw.16926. Epub 2025 Jan 13. Pol Arch Intern Med. 2025. PMID: 39803741 Free article. Review.
This paper provides an overview of the efficacy of vitamin C for preventing and treating respiratory infections. Studies in a wide variety of animals have shown vitamin C to be protective against infections. ...Vitamin C has been tested for efficacy in COVID- …
This paper provides an overview of the efficacy of vitamin C for preventing and treating respiratory infections. Studies in a wide va …
Measles.
Strebel PM, Orenstein WA. Strebel PM, et al. N Engl J Med. 2019 Jul 25;381(4):349-357. doi: 10.1056/NEJMcp1905181. Epub 2019 Jul 10. N Engl J Med. 2019. PMID: 31184814 Review. No abstract available.
9,583 results