The biopharmeceutical companies in the PRC are pretty advanced, a lot of our pharmaceuticals originate in the PRC.I don't think I want to inhale anything from China....
Regarding this latest development -
A vaccine taken as mist could fend off the virus before it reaches the rest of the respiratory system, though that would depend in part on the size of the droplets, one expert said.
Larger droplets would train defenses in parts of the mouth and throat, while smaller ones would travel further into the body, said Dr. Vineeta Bal, an immunologist in India.