Feels bad, man.

Etymology: what’s the name mean?

Path = feeling, disease (Think of “makes you feel bad.”)

What is a pathogen?

A PATHOGEN is a microorganism that can cause disease in some percentage of normal individuals (aka people who are not immune to it).

How do pathogens cause disease?

They elbow out existing microbiota or settle into an unoccupied niche in your body. They also manipulate biological processes or manipulate and/or avoid a host’s innate immune response.