None of Geerts papers are peer reviewed or based on scientific research/data.

Stress doesn't cause mutations. Mutations happen because of genetics and whatever mutations increase their suvival end up being the mutations prevelent in society.

What viruses need though are willing hosts who aren't vaccinated who carry the virus, allow it to thrive and mutate and more importantly - those who spread it.

Blaming vaccinations is like blaming immune systems when the real issue is people who carry the disease and allow it to continue to spread.