I'm not suggesting anything nefarious is in the works, I just don't trust the DS, the medical profession, anyone connected to the 3 letter agencies, the MSM, several coworkers, a neighbor or two, etc. That leaves the rest of us having to look out for each other.
Scientists have developed aerosolized COVID-19 boosters that, when inhaled, appear to stop infections in their tracks. In trials involving monkeys and rodents that had already received vaccinations, the boosters successfully increased immune responses in COVID-19’s home base: the respiratory tract. The hope is that the aerosols could lead to simple, accessible booster doses that prevent—not just help fight—infections.
https://www.extremetech.com/science/inhaled-covid-19-boosters-halt-infection-in-animal-tests
Vaping safety is directly related to the quality of the juice and coils you use. Cheaper coils often have heavy metal contaminants, cheap or off brand juice can be quite risky due to additives like vitamin e acetate.