Tabular Difference Between Pathogen and Parasite
|
Pathogen |
Parasite |
|
|---|---|---|
|
Definition |
An organism that causes diseases in its host. |
An organism that lives in or on another organism (host) and obtains nutrients while potentially causing harm. |
|
Examples |
It includes Bacteria, viruses, fungi, and protozoa. |
It includes Helminths, ticks, lice, mites, and some fungi. |
|
Size |
Microscopic (can also include larger organisms like fungi). |
These might be microscopic (e.g., protozoa) or macroscopic (e.g., helminths). |
|
Transmission |
Can be transmitted from one organism to other organism (e.g., through droplets, direct contact, or vectors). |
Can be transmitted through direct contact, ingestion, or vector-borne (e.g., mosquitoes). |
|
Host Relationship |
Can infect various hosts, may not depend on a specific host for survival. |
Live in or on specific hosts, relying on them for survival and reproduction. |
|
Mechanisms |
Invade host cells, disrupt normal cellular functions, evade immune system responses. |
Adapted to host, may have complex life cycles, extract resources from the host for survival and reproduction. |
|
Impact on Host |
Causes diseases and illness in the host. |
Can cause a range of effects from mild discomfort to severe illness. |
|
Focus |
Primarily focused on causing diseases and surviving in various hosts. |
Primarily focused on extracting resources from the host for survival and reproduction. |
Difference Between Pathogen and Parasite
Difference Between Pathogen and Parasite: Pathogens and parasites are two terms that describe microorganisms that can be harmful to the health of any living being. Here is the major difference between a pathogen and a parasite is that the term pathogen explains the effect of a microorganism upon another living being which is often harmful, whereas it is the term parasite describes the mode of living of a microorganism which may or may not be harmful.