Term
| The study of disease patterns in populations |
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Definition
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Term
| The percentage of people who become ill in a phopulation after exposure to an infectious agent |
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Definition
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Term
| The number of new cases in a specific time period in a given population |
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Definition
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Term
| illness, most often expressed as the rate of illness in a given population at risk. |
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Definition
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Term
| The rate of death in a given population at risk |
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Definition
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Term
| a cluster of cases occurring during a brief time interval and affecting a specific population |
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Definition
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Term
| A disease or other occurrence that has a much higher incidence than usual |
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Definition
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Term
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Definition
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Term
| A phenom that occurs when a critical concentration of immune hosts prevents the spread of an infectious agent, thereby protecting the entire population |
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Definition
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Term
| The natural habitat of a pathogen |
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Definition
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Term
| What are some examples of reservoirs of infection? |
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Definition
| Human, non-human animal, environmental, |
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Term
| Where do non-communicable diseases usually arise from? |
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Definition
| An individuals normal microbiota |
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Term
| Disease transmission from mother to fetus, mother to infant during childbirth, and breast feeding |
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Definition
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Term
| Disease Transmission from person to person via air, physical contact, ingestion in food and water, vector |
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Definition
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Term
| Transfer of pathogens via inanimate objects such as clothing, table tops, drinking glasses, etc... |
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Definition
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Term
| a small dried droplet attached to a thin coat of dried material |
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Definition
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Term
| A study collecting data that characterize the occurrence form the time and place of the outbreak to the individuals affected |
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Definition
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Term
| common source of an infected agent |
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Definition
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Term
| if numbers of ill people rise gradually it is likely it is spread from one conatgious person |
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Definition
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Term
| THe first case of a propagated epidemic |
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Definition
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Term
| Study designed to determine which of the potential risk factors identified by the descriptive studies are actually relevant to the spread of the disease. |
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Definition
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Term
| A study that surveys a range of people to determine the prevelance of such characteristics of an infection, presence of risk factors associated with the disease, or previous exposure to the disease agent |
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Definition
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Term
| a study done following a disease outbreak |
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Definition
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Term
| a study that starts with the disease and attempts to identify the causitive chain of events leading to it. |
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Definition
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Term
| this type of study looks ahead to see if the risk factors by the retrospective study predict a tendency to develop the disease. |
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Definition
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Term
| study groups that have a known exposure to the risk factor |
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Definition
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Term
| A study used to judge the cause and effect relationship of the risk factors |
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Definition
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Term
| hospital acquired infections |
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Definition
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Term
| What is one gram-negative bacteria that can thrive with low nutrients and is resistant to many disifectants that lives in hospitals? |
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Definition
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