0 a very small living thing, especially one that causes disease, that can only be seen with a microscope -- microbio
1 a very tiny living thing invisible to the naked eye, especially a germ causing disease -- microbio
a new understanding of how this microbe causes disease.
However, as we know, pathogens, microbes and viruses do not stop at state borders, and do not observe regulations.
Another important matter is the use of microbes, which is a new innovation.
No living organisms, from microbes to otters, have been spared.