This is like firing flares/chaff to confuse missiles.

Basically its a protein called ACE2 wrapped in fat nanodroplets. Its a decoy target for Covid, and possibly the spike protein.

The ACE2 droplets could be manufactured with the same methods that the Army open sourced for its Covax - SpFN

Not sure if equipment is expensive - generally its similar to brewery equipment. Hopefully it can be made at local compounding pharmacies and cut out Pfizer/Govt