A nasal spray bottle...sinus mucus membrane delivery:
https://news.yale.edu/2021/12/10/nasal-vaccine-may-aid-fight-against-new-viral-variants
https://news.yale.edu/2022/10/27/prime-and-spike-nasal-vaccine-strategy-helps-combat-covid
https://www.sciencedaily.com/releases/2022/10/221027150326.htm
Nasal spray bottle droplets go about 4 inches max before falling to the floor. Skip the clickbait ad money website and read the original studies. i.e. “follow the click/ad money”.
Probably next up for clickbait is “...they are using it in arial application crop dusters!!! Chemtrails!!!”
Got you covered:
https://www.ag.ndsu.edu/publications/crops/reducing-spray-drift
FAIL trolling. See tagline.
Injecting sanity on these threads never works. Just makes the inmates howl louder.