It isn’t going to come through the air and into your house to get you.
Just talk to people through your front door, or install a intercom to your porch.
It is suspended on oxygen molecules. We know that now. Hazmat failed. This is beyond a nightmare. plastic rooms with vents and gauze to breath through— NOW!!! It will be too late. !.7 million cases in west Africa by January!! for God sakes!!