This is done both on a microscopic and molecular level.

The definition of pathogenic germs indicates any micro organism able to cause infectious disease.

And then you go a little crazy, and so you do various optical components or you do microprism arrays, like the reflective tape that you have on your running shoes.

Holders of the authorization provided for by the said decree are required to submit a yearly statement summarizing, for every agent, pathogenic micro organism and toxin, identified by its strain, species and variety or by its nature, the following