What are the characteristics of pathogenic microorganisms?

Pathogenic microorganisms:

1. They are organisms that cause disease in an individual.
2. They are transmissible and can be transferred from one organism to the other.
3. They have the ability to adhere to host cells.
4. They can cause invasion of the host cells and tissues.
5. They can cause evasion of the host's immune system.
6. Pathogens infect plants, animals, and humans.
7. Pathogenic microorganisms may be bacteria, protists, algae, fungi, viruses, etc.