Researchers are trying to understand the Covid-19 infection, and why it kills some and doesn't even sicken others who contract it. Bloomberg has a good article on the possible genetic factors influencing coronavirus seriousness in a patient.
From it I learn I have a couple of risk factors, namely age and weight. Others I don't have include breathing issues, diabetes and high blood pressure.
Since half or more of our population is overweight, that isn't a happy situation but it can't be dispositive. Why? Because much fewer than half of those who get CoV are dying. Hang in there, dear readers, most of us will survive this nastiness.