ANATOMY

Detailed explanation-1: -Pathogen types. There are different types of pathogens, but we’re going to focus on the four most common types: viruses, bacteria, fungi, and parasites.

Detailed explanation-2: -Infectious diseases are caused by pathogens, which include bacteria, fungi, protozoa, worms, viruses, and even infectious proteins called prions. Pathogens of all classes must have mechanisms for entering their host and for evading immediate destruction by the host immune system.

Detailed explanation-3: -Different types of pathogens. Share on Pinterest Bacteria, viruses, and fungi are all types of pathogens. A pathogen brings disease to its host. Another name for a pathogen is an infectious agent, as they cause infections.