A pathogen.
The term is "pathogen," which refers to any organism, such as a virus, bacterium, or fungus, that can cause disease in humans. Pathogens can infect the body and lead to illness or other negative health effects.
Mumps
Pathogenicity is the ability of an organism to cause disease.
Pathogenesis is the medical term meaning process that initiates a disease.
Myopathy is the medical term meaning disease of the muscle. my/o- muscle; pathy-disease
Hyperthyroidism is the medical term meaning overactive thyroid.
Cardiopathy is the general term meaning any disease of the heart.
pathogens.
Disease causing microorganisms are called pathogens.
A carcinogen is an agent that causes cancer.
Neuroarthropathy is the medical term meaning any disease of nerve and joint.
Sprue is another term meaning celiac disease.