Less risk of influenza if Vitamin D levels higher than 30 ng/mL
Please correct me, if I do any grammar mistakes.
A study which links low levels of Vitamin D, with higher chance of getting influenza.
Source:
https://www.ncbi.nlm.nih.gov/pubmed/27595379
"CONCLUSIONS: Overall, circulating 25-hydroxyvitamin D concentrations were not appreciably associated with influenza episodes. However, the lower influenza risk associated with vitamin D sufficiency among unvaccinated participants warrants further investigation."