What is epidemiology?
A field of science that studies health problems within populations
Finding and quantifying associations, testing hypotheses, and identifying causes of health-related states or events.
what is an Intermittent carrier?
individual who has been exposed to and harbors a pathogen and who can spread the disease at different paces or intervals .
what is a case?
a person who has been diagnosed with a health-related state or event
what is active primary prevention?
behavior change on the part of the individual that prevents a disease or disorder before it happens.
What is a epidemic?
The occurrence of cases of an illness, specific health-related behavior, or other health-related events clearly in excess of normal expectancy in a community or region.
what is Vehicle-borne transmission?
transfer of a disease via a particular vehicle, for example needle use.
what is a Convalescent carrier?
individual who harbors a pathogen and who, although I the recovery phase of the course of the disease, is still infectious.
what is a Primary Case?
the first disease case in the population.
what is Tertiary prevention?
efforts to limit disability by providing rehabilitation where disease, injury, or a disorder has already occurred and cause damage.
What is a pandemic?
An epidemic that affects or attacks the population of an extensive region, country, or continent
what is a pathogen?
organism or substance such as bacteria, viruses, fungi, mold, or parasites that is capable of producing diseases.
What is an carrier?
an infected person or animal that contains, spears, or harbors an infectious organism.
what is secondary case?
a person who becomes infected from contact with the primary case after the disease has been introduced into the population.
what is secondary prevention?
activities aimed at health screening and early detection to improve the likelihood of cure and reduce the chance of disability or death.
What is an endemic?
The ongoing, usual, or constant presence f a disease in a community or among a group of people; a disease is said to be epidemic when it continually prevails in a region
the habitat in or on which an infectious agent lives , grows, and multiplies and on which is depends or its survival in nature.
an individual who has been exposed to and harbors a disease-causing organism and who has done so for some time, even though he or she may have recovered from a disease.
what is an index case?
the first disease cause brought to the attention of the epidemiologist
what is primary prevention?
effort to prevent a disease or disorder before it happens.
what is a mixed epidemic ?
when victims of a common-source epidemic have person-to-person contact with others and spread the disease, further propagating the health problem.
what is Zoonosis?
what is a common-source?
an epidemic that arises from a specific source
what is a suspect case?
an individual who has all the signs and symptoms of a disease r condition but has not been diagnosed as having the disease or had the cause of the symptoms connected a suspected pathogen.
what is passive primary prevention?
does not require behavior Change on part of the individual or prevent a disease or disorder from occurring