Mendelian randomization helps to tease out causality, and there does not seem to be a causal link between Vitamin D level and COVID-19.Click here to subscribe:Get more medical news analysis at or calcitriolcholecalciferolCoronaviruscoronavirus newscoronavirus updateCOVID-19COVID19Critical ThinkingDatadoctorepidemiologyergocalciferolhealthimmune systemIMMUNITYMDmedicinemethods mannewsperry wilsonphysicianPREVENTresearchresearchersciencescientiststatisticssupplementsvideoVITAMINvitamin COVID-19Vitamin Dvitamin d and coronavirusvitamin d and covidVitamin D and COVID-19vitamin d benefitsvitamin d deficiencyvitamin d deficiency symptomsvitamin d supplementsvitamin d3vitamins to prevent COVIDvlogYaleYouTubeRelated Posts What Happens When the Immune System Learns to Tolerate COVID? January 6, 2026 What Happens When the Immune System Learns to Tolerate COVID? January 5, 2026 So much #research happening!#covid19 #doctor #themoreyouknow #immunity #virus #antibodytesting January 3, 2026 Immune System vs. Viruses: Can We Ever Win? #shorts December 23, 2025 Probiotics, Immunity & COVID – Why I Waited for the Research December 19, 2025 Did Covid Change Your Brain? Doctor Explains December 17, 2025
So much #research happening!#covid19 #doctor #themoreyouknow #immunity #virus #antibodytesting January 3, 2026