Influence of Vitamin D Supplementation by Simulated Sunlight or Oral D3 on Respiratory Infection during Military Training Article Swipe
Sophie E. Harrison
,
Samuel J. Oliver
,
Daniel Kashi
,
Alexander T. Carswell
,
Jason P. Edwards
,
Laurel M. Wentz
,
Ross Roberts
,
Jonathan Tang
,
Rachel M. Izard
,
Sarah Jackson
,
D Allan
,
Lesley E. Rhodes
,
William D. Fraser
,
Julie P. Greeves
,
Neil P. Walsh
·
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.1249/mss.0000000000002604
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.1249/mss.0000000000002604
Purpose This study aimed to determine the relationship between vitamin D status and upper respiratory tract infection (URTI) of physically active men and women across seasons (study 1) and then to investigate the effects on URTI and mucosal immunity of achieving vitamin D sufficiency (25(OH)D ≥50 nmol·L −1 ) by a unique comparison of safe, simulated sunlight or oral D 3 supplementation in winter (study 2). Methods In study 1, 1644 military recruits were observed across basic military training. In study 2, a randomized controlled trial, 250 men undertaking military training received placebo, simulated sunlight (1.3× standard erythemal dose, three times per week for 4 wk and then once per week for 8 wk), or oral vitamin D 3 (1000 IU·d −1 for 4 wk and then 400 IU·d −1 for 8 wk). URTI was diagnosed by a physician (study 1) and by using the Jackson common cold questionnaire (study 2). Serum 25(OH)D, salivary secretory immunoglobulin A (SIgA), and cathelicidin were assessed by liquid chromatography–mass spectrometry LC-MS/MS and enzyme-linked immunosorbent assay. Results In study 1, only 21% of recruits were vitamin D sufficient during winter. Vitamin D–sufficient recruits were 40% less likely to suffer URTI than recruits with 25(OH)D 0.05). Supplementation did not affect salivary secretory immunoglobulin A or cathelicidin. Conclusion Vitamin D sufficiency reduced the URTI burden during military training.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1249/mss.0000000000002604
- OA Status
- hybrid
- Cited By
- 23
- References
- 43
- Related Works
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- OpenAlex ID
- https://openalex.org/W3123061029
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W3123061029Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1249/mss.0000000000002604Digital Object Identifier
- Title
-
Influence of Vitamin D Supplementation by Simulated Sunlight or Oral D3 on Respiratory Infection during Military TrainingWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2021Year of publication
- Publication date
-
2021-01-21Full publication date if available
- Authors
-
Sophie E. Harrison, Samuel J. Oliver, Daniel Kashi, Alexander T. Carswell, Jason P. Edwards, Laurel M. Wentz, Ross Roberts, Jonathan Tang, Rachel M. Izard, Sarah Jackson, D Allan, Lesley E. Rhodes, William D. Fraser, Julie P. Greeves, Neil P. WalshList of authors in order
- Landing page
-
https://doi.org/10.1249/mss.0000000000002604Publisher landing page
- Open access
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YesWhether a free full text is available
- OA status
-
hybridOpen access status per OpenAlex
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https://doi.org/10.1249/mss.0000000000002604Direct OA link when available
- Concepts
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Vitamin D and neurology, Medicine, Sunlight, Placebo, Vitamin, Respiratory tract infections, Confidence interval, Upper respiratory tract infection, Randomized controlled trial, Physiology, Internal medicine, Respiratory infection, Respiratory system, Pathology, Astronomy, Physics, Alternative medicineTop concepts (fields/topics) attached by OpenAlex
- Cited by
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23Total citation count in OpenAlex
- Citations by year (recent)
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2025: 6, 2024: 6, 2023: 7, 2022: 4Per-year citation counts (last 5 years)
- References (count)
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43Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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