another way this could get spread is people walking around in big city subdivisions on the sidewalk. If you are in your front yard working you are less than six feet from them in many cases. Have a person running or bicycling on that sidewalk and the germs spew.
1/2 life is a minute and half in aerosol in the sun. That is enough time for you to catch it.
That’s something else, all these from elsewhere tourists just have to take their whole pack walking around the neighborhood. And rent golf carts for their kids to drive around in. And all their dogs coming to our fence to bark at our dog and chase our cats.
The only other person I haven’t seen is the neighbor’s yardman. He’s not been here once since the lock down. Smart man.