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31 Cards in this Set

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