Question

Casual organism of any disease

Answer 1

Answer:

The term disease causative agent usually refers to the biological pathogen that causes a disease, such as a virus, parasite, fungus, or bacterium. Technically, the term can also refer to a toxin or toxic chemical that causes illness.

Answer 2

Explanation:

causal organism means one which can cause disease........eg.thypoid is caused by salmonella typhi....