INFECTION
The disease causing microorganism is called a pathogen.
Pathogenicity is the ability of an organism to cause disease.
HD is not caused by any pathogen- it is a genetic disease- you inherit a gene from a parent that also had HD.
No psoriasis is not caused by a virus or bacteria. It is a genetic disease.
A pathogen is a 'disease causing organism' so all infections are caused by pathogens. Tetanus is caused by the Clostridium tetani bacterium
arthritis
It is present in all cases of the disease
Yes, malabsorption disease might be temporary if caused by a toxin from the environment.
Anorexia is a psychological condition - not a disease caused by a pathogen !
N/aA pathogen by definition is a disease causing organism
Robert Koch
Mumps is caused by a virus, so it is a pathogenic disease.