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implantation and successful replication of an organism in the tissue of the host, resulting in s/sx, as well as immunologic response.
an individual who harbors the organism and is capable of transmitting it to a susceptible host but does not show manifestation of the disease.
an illness caused by an infectious agent or its toxic products that are transmitted directly or indirectly to a well person through an agent, vector or inanimate object.
is any person or animal that is in close association with an infected person, animal or freshly soiled material.
is one that is EASILY transmitted from one person to another (direct/indirect).
destruction of pathogenic microorganism outside the body through direct physical or chemical means.
- a. concurrent disinfection- a method done immediately after the infected individual discharges infectious materials/secretions (done while the pt is no longer the source of infection).
- b. terminal disinfection- is applied when the pt is no longer the source of infection; everything that she used is disinfected.
place where an organism lives or where an organism usually is found.
a person, animal or plant on which the parasite depends on for survival.
transmitted through ordinary contact or through a break on a skin or mucous membrane.
*all contagious disease are infectious.
limit of freedom of movt of a person or animal which has been exposed to a communicable disease for a period of time.
animal or plant in which an infectious agent lives and reproduce in such a manner that can be transmitted to man.
disease that occur occasionally and irregularly with no specific pattern.
occur in greater number than what is expected in a specific area over a specific time.
an epidemic that affects several countries or continents.
disease that are present in a population or in a community at times; involve few people.
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