I’ve never bought into the flea bite theory.
It’s more likely that Y Pestis made the jump from animal to human due to human consumption of marmots and other carriers of the disease.
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I agree. The human digest tract is predetermined to be the primary vector to spread deadly viruses. This vector has caused all of the evolutionary mutations which so drastically changed us from our primitive primate ancestors of 3 million years ago.
Why would 1340 be any different?
Zonulin is the primary infection facilitator.
“Zonulin is the primary infection facilitator.”
I had never heard of such a critter as Zonulin. It was interesting for me to discover that it controls the permeability of the cells of the intestine. I learn something new every day.