Yeah on the surface flat earth looks like some kind of joke. But that's how they hide it from you. And there is no theory That illness is not caused by a viruses that's called a null hypothesis. The theory is that viruses are why we get sick so the job is to see if that theory is true. If it is not true then that is not a theory in itself it just means that virus theory doesn't explain it. The term terrain theory is used by the CIA and other forces to confuse people to make them think that there is a theory that illness is not caused by viruses or germs. There's a number of books that you can read about this that clearly explain the corrupt science behind the deception.

You probably just one of those stubborn people who makes up their mind that doesn't consider anything else once they find a piece of evidence that concludes their preferred view of the world. Can't help it if you're not inquisitive