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1. Define pre-pathogenesis - ANSWER aka incubation period
A period where hosts may be exposed
2. Primary prevention - ANSWER prevention before people get sick
e.g. vaccinations, altering risky behaviours, HH, policies, increased knowledge,
health education, passive surveillance to identify trends
3. Define pathogenesis - ANSWER development of disease; person beings
to react to disease whether they are a/symptomatic, disease is still present
4. Secondary prevention - ANSWER screening, early diagnosis, and
prevention of complications and disability
e.g. strong public health outbreak policies, education on transmission, contact
tracing, active and passive surveillance, quarantine prn, enforcing health hygiene
measures
5. Late pathogenesis - ANSWER pathogensis period ends with recovery,
disability, or death
, 6. Tertiary prevention - ANSWER education to adjust to new health
realities; adaptation strategies; palliation
7. What is causation and association? - ANSWER causation: confirmed,
definite, statistical relationship. Requires certain factors to be both
necessary and sufficient.
Association: reasonable evidence of the connection between a stressor or
environmental factor/disease or health challenge
8. 5 Criteria for causes and effect relationship - ANSWER 1. Timing: exposure
occurs before developing of disease or during its progression
2. Strength: dose dependent, cessation of exposure ca modify disease
3. Prevalence: occurs in multiple populations
4. Relationship to other risk factors: is independent or act synergistically
5. Plausibility: produces structural or functional changes which are evident in
mechanism of disease
9. 5 Stages of emergency management - ANSWER Prevention
Mitigation - actions that can reduce impact of emergency diseaster
Preparedness - e.g. plans, tools, protocos before a problem occurs
Response
Recovery
(Prime ministers prep for response and recovery)
, 10.Elimination vs eradication - ANSWER Elimination: reduction in the
regional incidence of a disease to zero as a result of deliberate efforts.
Control efforts would need to be continued
Eradication: Reduction in worldwiide incidence to zero as a result of deliberate
efforts, obviating the need for further control measures
11. What is required to acheive eradication of disease? - ANSWER Scientific
feasilibty
effective intervention (vaccines, cures, eliminating the vector)
Political will (perceived burden of disease, expected costs, necessity of eradication
vs control)
12. What is an example of an eradicated disease? - ANSWER smallpox
13. Active vs passive surveillance - ANSWER Active: screening tools,
interviews, systems to ID disease when people demonstrate symptoms
Passive: provider reporting; lab results of reportable illness
14.Define etiology - ANSWER cause of disease
15. Incubation period vs infective period - ANSWER incubation period:
number of days between whne you're infected with something and when
you might see symptoms
, Infective period: time interval when a host is infectious
16. What is a reportable illness, who decides? - ANSWER WHO specifies a
number of diseases that must be reported world wide
In Canada, notifiable disease information systems is a provincial/territorial
responsibility
Physicians are required to notify PH authority immediately when hx and clinical
exam causes them to suspect a notifiable disease
Labs notify PH authority of cases of notifiable disease when test results are
positive
17.What data is included in reporting an reportable illness? - ANSWER
about the person, symptom + symptom onset, travel history
may also include social hx, sexual hx, diagnostic tests to date, and prescribed rx
18. Who is invovled in communicable disease control/mgmt at the system level? -
ANSWER - local, regional, and national PH agencies; ministry of health
- media
- academics/resesarchers providing scientific data
- other governmental agencies as relevant