So-Called Cold & Flu Season When Vitamin D Level at Lowest Blacks Disproportionately Affected by Dark Skin

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In the United States about 70% of the population is deficient in vitamin D, zinc, and magnesium which are essential in combatting viruses such as the wuhan, and blacks most susceptible to serious viral infection because their dark skin greatly impedes strong vitamin D levels, so why was not a big public relations push made for blacks (along with everybody else) to take supplements, why did Fauci not stress this in his many appearances on TV, and why did he say Hydroxychloroquine does no good?