But I would not risk your tenants living in a home potentially with raccoon urine and feces growing diseases in the attic whatsoever.

Having a disease is not criminal and it is not possible to trace where a person got sick.

The government, through multiple extensions of an ill-considered blanket policy purportedly used to combat the spread of a deadly disease and now largely without merit, is absolutely encouraging this bad behavior on the tenant's part.

Last week a federal judge ruled that the Centers for Disease Control and Prevention (“CDC”) overstepped its authority when it issued a nationwide eviction moratorium.

Unfortunately, she has Alzheimer's disease and dementia.

If the seller refuses to allow inspections, read your contract and use whatever contingency you need to in order to get out.The "hardly waits" is an expensive disease that causes you to ignore warning signs and make bad decisions.  

It's about my story with an autoimmune disease. 

The best deals I have ever had all dealt with the same issues Death, disease, Divorce.

As long as the tree was somewhat maintained, and there was no visible sign of issues (rot, disease, etc.), then there's very likely no liability/negligence on your part. 

Not unless you knew or should have known that the tree was weakened, diseased, rotten etc.