Question

Causal organism of any disease is called as_________.

Answer 1

Pathogens

1. Pathogens are any organism that causes the disease in its host.
2. It can be referred to as an infectious agent, or a germ.
3. Several viruses, bacteria, fungi, worms, and protozoans are harmful to their host and cause many diseases in them.

Final answer: Causal organism of any disease is called as pathogen.