Term
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Definition
| person of other living organism that can be infected by agent under natural or experimental conditions |
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Term
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Definition
factor whose presence (too much, too little) or absence is essential to occurrence of disease.
Can be living or non living |
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Term
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Definition
| extrinsic factor which affects the agent and opportunity for exposure |
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Term
| Transmission of Infection= |
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Definition
| Any mode or mechanism that the infectious agent spreads through the environment or to another host. |
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Term
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Definition
| site on or in the body where infection originates |
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Term
| Name the large portals of entry in body and how pathogens would gain entry. |
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Definition
1) skin
2) respiratory mucosa
3) alimentary tract
4) genital tract
5) conjunctiva
1) infect cells of surface
2) breach surface by trauma
3) transmitted congenitally |
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Term
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Definition
| infection transmission from one person to another of the same generation in population (anything that's NOT mother to newborn) |
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Term
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Definition
| from mother to newborn either by pregnancy, childbirth, or breastfeeding |
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Term
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Definition
exposure to source of infection
actually a form of Direct Transmission (object to host, host to host) |
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Term
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Definition
| immediate transfer of agent from reservoir to host by direct contact or droplet spread |
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Term
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Definition
| agent carried from reservoir to a host by AIR PARTICLES, ANIMATE VECTOR, or INANIMATE VEHICLE intermediaries. |
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Term
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Definition
direct transmission of agent from reservoir to host by spray with large, short-range aerosols
Range= less than 1 meter |
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Term
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Definition
residue to dried droplets that may remain in air and be blown over long distances.
Easily inhaled |
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Term
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Definition
| Animate intermediary in indirect transmission of agent which carries agent from reservoir to host. |
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Term
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Definition
| administration that involves piercing the skin or mucous membrane |
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Term
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Definition
person or animal with no apparent disease but can still give infectious agent to others.
Can be during an incubation period or host may not know.
Can be transient or chronic carrier |
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Term
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Definition
| artifact that refers to adverse effects/complications caused by medical treatment or advice. |
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Term
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Definition
| proportion of persons exposed to causative agent WHO BECOME INFECTED. |
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Term
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Definition
| infectious disease transmissible under normal conditions from animals to humans |
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Term
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Definition
| presence of disease within a geographic area or group. |
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Term
Epidemic=
Epidemic period= |
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Definition
= occurance of MORE cases of disease than expected in a given area/group over some period of time.
=time period when number of cases of disease is greater than expected. |
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Term
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Definition
| =epidemic occurring over very wide area and affecting large proportion of population |
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Term
| Name the three ways to classify disease transmission |
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Definition
1) Vertical vs Horizontal
2) Portal of Entry
3) Mode of Infection |
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Term
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Definition
| =inanimate object which transmits disease when there is contact with it. But it's not food or water. |
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Term
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Definition
| = transmission of agent through the air via droplets that goes more than 1 meter from source or reservoir |
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