Aerosolization is the process or act of converting some physical substance into the form of particles small and light enough to be carried on the air that people breath in i.e. into an aerosol.

The of Turning of infectious bacterias, poisonous toxins into small particles that can be breathed in by humans.

The term is often used in medicine to refer specifically to the production of airborne particles (e.g. tiny liquid droplets) containing infectious virus or bacteria. 

The dispersing of infectious bacterias or toxins into the air, with the aim of infecting or poisoning a group of people that dwell in a given region.

The infectious organism is said to be “aerosolized”. 

This can occur when an infected individual coughs, sneezes exhales, or vomits, but can also arise from flushing a toilet, or disturbing dried contaminated feces.

Treatment of some respiratory diseases utilize aerosolization of a liquid medication using a nebulizer, which is then breathed in for direct transport to the lungs.

In the context of chemical weapons and biological warfare and weapons, aerosolization is a means of dispersing a chemical or biological agent in an attack. 

See for example “Botulinum Toxin as a Biological Weapon”.

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