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.
A pathogen is a 'disease causing organism' so all infections are caused by pathogens. Tetanus is caused by the Clostridium tetani bacterium
No psoriasis is not caused by a virus or bacteria. It is a genetic disease.
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.