Vitamin D supplementation did not prevent influenza-like illness as diagnosed retrospectively by questionnaires in subjects participating in randomized clinical trials
Jorde, Rolf × Witham, Miles Janssens, Wim Rolighed, Lars Borchhardt, Kyra de Boer, Ian H Grimnes, Guri Hutchinson, Moira S #
Scandinavian University Press
Scandinavian Journal of Infectious Diseases vol:44 issue:2 pages:126-132
Vitamin D deficiency has been associated with a number of diseases, including influenza. Whether or not this reflects a causal relationship is unknown. We therefore wanted to examine if supplementation with vitamin D would affect the incidence and severity of influenza-like disease.