pathogens
Moles? Any type of animal carries diseases. Moles carries different types of diseases though. But, they wont carry diseases like H1N1 disease.
Diseases do not cause unicellular organisms; unicellular organisms cause diseases.
plegue
We call them photosynthetic organisms. Plants are the major organisms.
micro organisms can kill you by causing diseases
Your hair carries the same kinds of bacteria (and fungi) as you skin does. These can cause diseases.
bacteria
Mouse feces carries diseases.
it carries the deformities and diseases stored in the genetic material of subject.
Plant organisms are used to common descent of all living organisms. This is to do research on human diseases.
It harms them. It causes various fatal diseases on living organisms.
One that damages crops or injures/carries diseases to livestock.