A list of non-pathogenic bacteria is an outline of the types of bacteria that do not cause illnesses in humans. They include: staphylococcus lactobacillus Escherichia coli bifidobacteria bacteroides Brevibacterium linens
A pathogenic organism is a bacterium, fungus, prion or virus that survives by feeding off of a host. A pathogenic organism typically causes disease in the host organism. The answer is Ticks. Ticks can be infected with disease.