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carrier harbour a pathogen but vector itself does not harbour the pathogen itself
A pathogen causes a disease while a contagion spreads a disease by direct or indirect contact.
An antigen is a body's system for creating antibodies to fight infection. A pathogen is an infectious agent (or germ).
Pathogen is the agent or the culprit that causes a disease while the disease is the end result of what a pathogen did. Example: HIV virus is the pathogen while AIDS is the disease state that can result from high HIV viral load.
Opsonization involves an antibody binding to a pathogen itself while neutralizing invovles an antibody binding to a toxin, AKA something the pathogen produces.
an aepitope is the part of an antigen where antibodiy or lymphocyte receptor binds
Commensal. For example: These two organisms are in a commensal relationship.
Pathogen is the agent or the culprit that causes a disease while the disease is the end result of what a pathogen did. Example: HIV virus is the pathogen while AIDS is the disease state that can result from high HIV viral load.
Moraxella bovis is not airborne - it is spread through flies or by direct contact between animals.Moraxella catarrhalis might be a commensal of the human respiratory tract (meaning it is naturally found there). It is believed that it should not cause disease unless there are other underlying factors (such as immunocompromise).Airborne transmission, if it occured, would therefore not be expected to cause disease.
infection is the invasion of pathogen, colonization development of pathogen itself in the system and cause disease. Intoxication is the innoculation of the pathogen produced proteins or lipids that alter the usual metabolism of a body system. Intoxication do not need the presence of pathogen itself in the system.
Cattle egrets are commensal animals. They consume the insects that cattle and livestock disturb while they are grazing in pastures.
Commensal organisms like bacteria on the skin make it more difficult for harmful bacteria to grow. However, the commensal organisms can be harmful to people with depressed immune systems. They could also cause inflammation if there are too many of them.