My daughter suffers from severe animal allergies. 

I have a pet-friendly home that currently has a tenant that has been residing in it for a month and a half (she does not have any pets) and is complaining that her allergies and asthma are being affected.

For co-living we don't allow cats or dogs be cause of household members with allergies.

If you were a renter that didn't want to ever have to worry about a barking dog, had pet allergies, or had emotional trauma from bad experiences in the past with pets (especially dogs), wouldn't you be happiest in a no-pets unit, on a no-pets rental property?

Even worse if you have a smoke allergy like I do and specifically searched for a smoke free building.In our current multi-unit (5 floors) there was a tenant who tried to get around the no smoking building policy by leaning out their window and dropping their butts into our yard (basement apartment with a yard) for my dog and kid to crawl in. 

By the way, our lease explicitly states that tenants with animals will be charged to place the unit back in a pre-animal state including furnace and duct cleaning (pet allergies due to dander is not uncommon).  

Cat allergies are generally more common/severe, and the urine can ruin a place.

We proved a medical condition via legitimate doctors note expressing carpet is not do able due to allergies. 

“It isn't something the American public needs to worry about or be frightened about, because we have ways of preparing and screening of people coming in [from China]," National Institute of Allergy and Infectious Diseases (NIAID) Director Anthony Fauci.

If it was a service dog, it would be properly trained and this is clearly not the case.You can also state that the sellers found out a dog was in the property and they don't want it coming in again (as an owner, what if they had allergies or a cat on the property??).