Thanks For Watching Subscribe for More Informative Videos. A more contagious COVID-19 variant first identified in the United Kingdom continues to crop up across the U.S. and around the globe, threatening to further strain overburdened health care systems just as…
In conclusion, we found significant relationships between vitamin D levels and the number COVID–19 cases and especially the mortality caused by this infection. The most vulnerable group of population for COVID–19 is also the one that has the most deficit…