Yes, viruses change from one imaginary concept to another one.
Why some people don't understand this is a mystery. Maybe they just prefer being brainwashed.
I've never gotten a clot shot my entire adult life, and I've never been sick from imaginary things that don't exist.
Polio was caused by lead in water pipes and swimming pools (FDR), and by vaccinations.
The Spanish Flu was caused by vaccinations, was not caused by a virus, and
was not contagious. <--
Diseases are primarily caused by pollution such as lead, pesticides, drugs, chemicals, food additives, smoke, exhaust,
smog, radioactivity; and secondly by visible parasites, but not by imaginary viruses, that have never been proven to exist.