That names me wonder if it’s not airborne.
...if it’s not airborne.
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Not exactly, in that it’s not a pneumonic virus. Not a doctor, but you still need close contact and an enclosed space for human-to-human transmission through the air (as opposed to droplet transmission due to sneezing/coughing with velocity and then entering the body via mucus membranes which is aerosol transmission, as in the case of COVID 19).
BUT: viruses and bacteria are prevalent in clouds in the troposhere and that way they travel from one place to another, often long distances, before dropping down. Most of the viruses (which are fragile, remember) probably don’t retain infectiousness after a trip on the winds.
BUT: likely some can persist on migratory birds. If the birds already have an avian virus, perhaps (IDK this for sure)the viruses can combine within the duck or goose. I have heard of this as a way for an avian virus to be transmitted to swine, allowing combinations/mutations.
The point is: this probably happens all the time and always has and is one way animal viruses make the jump between species.
Maybe there are veterinarians here who can comment. This is just my uneducated WAG informed by superficial reading.
We have never lived on a safe planet. Humans have evolved alongside all these microorganisms. Microorganisms are the largest class of organisms on this planet and remember, the human body contains trillions of bacteria, most of them beneficial or benign. If you obsess on it, you’ll go crazy.