Question

Casual organism of any disease is called ____.

Answer 1

Pathogens:

1. The micro-organisms which have the ability to cause infectious diseases are called pathogens.
2. Viruses, bacteria, protozoans, and fungi are potential pathogens that can spread disease through skin contact, body fluids, or contact with contaminated surfaces.
3. Example: Dengue fever, Flu, Cold, Ringworm, Urinary tract infections, etc.

Final answer: Casual organism of any disease is called pathogen.