From what I understand, individuals with naturally darker skin tend to be at greater risk from vitamin D deficiency. This is because naturally darker skin redu

From what I understand, individuals with naturally darker skin tend to be at greater risk from vitamin D deficiency. This is because naturally darker skin reduces the absorption of UV rays. I wonder to what extent vitamin D deficiency could be a contributing factor to the disparate impact that Covid-19 has had on different ethnic communities (at least in the United States). Is anyone aware of any studies done in this regard?