So at least one website says they suspect genetic predisposition might be part of this. I'm curious if anyone has had other people in their family get the disease? I ask because my grandfather died very young of kidney failure that followed a winter when he had the "flu" that wouldn't go away. He also had a bunch of medical issues before he passed, and this was back in the early 1970's when less was known about the disease. Just a curiosity as we don't have any way to determine if the disease had any impact on him.
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