Report: Vitamin D deficiency can lead to greater risk of COVID-19 Sep 8, 2020 | coronavirus, Top Stories A deficiency of vitamin D could increase the likelihood of becoming infected with COVID-19, according to a new report from the University of Chicago Medicine.To access this content, you must purchase 1 Year Health News Illinois Subscription or 1 Year Group Subscription - Up to 5 Users, or log in if you are a member.