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31 Cards in this Set
- Front
- Back
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WHAT IS ATTACK RATE
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NUMBER OF PEOPLE AT RISK WHO DEVELOP DIS/TOTAL NUMBER OF PEOPLE AT RISK
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WHAT IS FOOD SPECIFIC ATTACK RATE
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NUMBER OF PEOPLE WHO ATE A CERTAIN FOOD AND BECAME ILL/TOTAL PEOPLE WHO ATE THAT FOOD.
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WHAT IS HERD IMMUNITY
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RESISTANCE OF A GROUP OF PEOPLE TO AN ATTACK BY A DIS TO WHICH A LG PROPORTION OF MEMBERS ARE IMMUNE
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WHAT IS ENDEMIC
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HABITUAL PRESENCE OF A DIS WITHIN A GIVEN GEOGRAPHICAL AREA
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WHAT IS EPIDEMIC
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OCCURRENCE IN COMMUNITY OR REGION OF GROUP OF ILLNESSES OF SIMILAR NATURE, CLEARLY IN EXCESS OF NORMAL EXPECTANCY
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WHAT IS A PANDEMIC
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WORLDWIDE EPIDEMIC
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WHAT IS A CARRIER STATE
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AN INDIVIDUAL HARBORS ORGANISM BUT IS NOT INFECTED AS MEASURED BY SEROLOGIC STUDIES OR BY CLINICAL ILLNESS
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WHAT IS CLINICAL DISEASE
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SIGNS AND SYMPTOMS
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WHAT ARE TYPES OF NON-CLINICAL DISEASE
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PRECLINICAL AND SUBCLINICAL
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WHAT IS PRECLINICAL
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DS NOT YET CLINICALLY APPARENT BUT DESTINED TO PROGRESS TO CLINICAL
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WHAT IS SUBCLINICAL DS
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DS THAT IS NOT CLINICALLY APPARENT AND IS NOT DESTINED TO BECOME CLINICALLY APPARENT (OFTEN DX BY SEROLOGY/CULTURE)
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WHAT IS PERSISTENT DS
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CHRONIC DS - PERSON FAILS TO SHAKE OFF INFECTION. PERSISTS FOR YEARS.
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WHAT IS LATENT DS
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INFECTION WITH NO ACTIVE MULTIPLICATION OF THE AGENT
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WHAT IS INCUBATION PERIOD
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INTERVAL FROM RECEIPT OF INFECTION TO THE TIME OF ONSET OF CLINICAL ILLNESS
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WHAT IS ASKED WHEN DS OCCURS AT MORE THAN ENDEMIC LEVEL
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WHO, WHEN. WHERE?
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WHAT IS CROSS TABULATION USED FOR?
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WHEN SEVERAL POSSIBLE CAUSAL AGENTS WERE PRESENT
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WHAT IS INCIDENCE RATE
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PER 1000 IS:
# OF NEW CASES DURING SPECIFIED TIME/# PERSONS AT RISK DURING THAT TIME |
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WHAT IS A PERSON-YEAR
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ONE PERSON AT RISK WHO IS OBSERVED FOR ONE YEAR=
1 PERSON-YEAR |
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WHAT IS PREVALENCE
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PREVALENCE PER 1000
# CASES OF DS PRESENT IN POP AT A SPECIFIED TIME/# PEOPLE IN POP AT THAT TIME |
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WHAT IS POINT PREVALENCE
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PREVALENCE OF THE DISEASE AT A CERTAIN POINT IN TIME
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WHAT IS PERIOD PREVALENCE
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HOW MANY PEOPLE HAVE HAD DS AT ANY POINT DURING A CERTAIN TIME PERIOD.
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WHAT HAPPENS WHEN CURE OR TX OF DS OCCURS TO THE PREVALENCE?
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PREVALENCE GOES UP AS MORE PEOPLE ARE LIVING WITH THE DS (NOT DYING)
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INCIDENCE IS A MEASURE OF WHAT?
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RISK
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PREVALENCE IS NOT A MEASURE OF WHAT AND WHY
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RISK BECAUSE IT DOES NOT TAKE INTO ACCOUNT THE DURATION OF THE DS.
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WHAT IS FORMULA FOR PREVALENCE RELATED TO INCIDENCE AND TIME
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PREVALENCE=INCIDENCE X DURATION OF DISEASE
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EXPLAIN HITOWN/LOWTOWN PREVALENCE (HINT LONGER DURATION OF DISEASE)
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PREVALENCE WILL BE HIGHER IN AN AREA WHERE DS IS TREATED AND PTS LIVE MUCH LONGER WITH DS
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WHAT TWO POINTS ARE MADE BY PREVALENCE OF EXTRA MARITAL BIRTHS IN NZEALAND?
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1. PROPORTION IS NOT RATE
2. BIRTH CAN BE VIEWED AS AN EVENT(LIKE DS) AND RATES CAN BE COMPUTED |
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WHAT IS PREVALENCE AT BIRTH RELATE TO AND HOW
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BABIES WITH MALFORMATIONS - BECAUSE MALFORMATION WAS PRESENT BEFORE BIRTH
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WHAT IS CLUSTERING?
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PHENOMENON OF SPOT MAPS
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WHAT IS SURVEILLANCE (PER CDC)?
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ONGOING SYSTEMATIC COLLECTION, ANALYSIS AND INTERPRETATION OF HEALTH DATA ESSENTIAL TO THE PLANNING, IMPLEMENTATION AND EVALUATION OF PUBLIC HEALTH PRACTICE - WITH INFO TIMELY DISSEMINATION TO THOSE WHO NEED THIS INFO
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WHAT ARE TWO TYPES OF SURVEILLANCE?
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PASSIVE - AVAILABLE DATA OR HCW REQUIRED TO REPORT
ACTIVE - CASE FINDING BY PROJECT STAFF FROM INVESTIGATING CLINICS, ETC |
