Term
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Definition
| An animate intermediary in the indirect transmission of an agent that carries the agent from a reservoir to a susceptible host (ex: An organism that transmits the infection as a mosquito transmits the malaria protozoans) |
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Term
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Definition
| The probability that an individual will be affected by, or die from, an illness or injury within a stated time or age span |
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Definition
| a physical object that serves to transmit an infectious agent from person to person. (ex: A comb infested w/one or more head lice or the dust particles containing infectious cold virus that remain after droplets of infected saliva are coughed into the air. |
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Definition
| An infectious disease that is transmissible from animals to humans. |
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Term
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Definition
| The systematic ongoing collection, analysis interpretation and dissemination of health data. |
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Term
| purpose for health surveillance??? |
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Definition
| To gain knowlege of the patterns of disease, injury, and other health problems in a community so that we can work toward controlling and preventing them. |
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Term
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Definition
| (Localized epidemic)- more cases of a particular disease than expected in a given area or among a specialized group of people over a particular period of time. |
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Term
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Definition
| large numbers of people over a particular period of time. |
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Term
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Definition
| an aggregation o cases over a particular period closely grouped in time and space regardless of whether the number is more than expected. |
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Definition
| an epidemic occurring a very large area and usually affecting a large proportion of the population |
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Term
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Definition
Odds in case= a/c= _ad_
Odds in control= b/d= bc |
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Term
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Definition
Exposed= a/(a+b)
Unexposed= c/(c+d) |
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Term
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Definition
ATTACK RATE Disease No Disease
Exposed a b
Unexposed c d |
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Term
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Definition
(a/(a+b))/(c/(c+d))
exposed/unexposed |
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Term
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Definition
ODDS RATIO
a=# of case patients exposed
b=# of control exposed
c=# of case patients unexposed
d=# of control unexposed |
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