From Conservapedia
A pathogen is an organism that causes disease.[1]
References
- ↑ Wile, Dr. Jay L. Exploring Creation With General Science. Anderson: Apologia Educational Ministries, Inc. The most common pathogens are bacteria(such as E Coli, viruses(such as the influenza virus), fungi(such as Ringworm) and protozoa(such as Giardia).
2000