[biolurker1]

Who told you that autoimmunity is a risk factor for covid-19? Maybe you are confused with immunosupression but they are two opposites.

[muzani]

Many deaths are from cytokine storms.

[biolurker1]

I don't think that means anything. Strong immune systems can do that too. Autoimmune means deregulated in a very specific way that may or may not induce or protect vs covid-19 but I am not a doctor. But if you didn't find any study linking it then it's probably random.