Disease Eradication

Question 1

define Eradication

Answer 1

permanent reduction to 0, interventions measures not needed

Question 2

Elimination

Answer 2

0 incidence, but interventions still needed, agent may exist somewhere and be imported

Question 3

Control

Answer 3

The reduction of disease incidence, prevalence, morbidity or mortality to a locally acceptable level as a result of deliberate efforts

interventions still needed to maintain

Question 4

strategy for Smallpox Eradication method?

Answer 4

Enhanced surveillance and containment’
 Active surveillance for cases
 Contact tracing
 Ring vaccination 
 Vaccination of all those exposed to the case

Question 5

Rational for success of enhanced surveillance and containment of smallpox

Answer 5

Almost always symptomatic
Clear clinic profile
 Limited infectiousness before symptoms
Vaccine One dose
Can prevent disease and infectiousness after exposure

Question 6

which Circumstances support eradication of an infection???

Answer 6

A. Agent characteristics
B. Infection control measures
C. Public health system
D. Public and political situation

Question 7

what are ideal agent characteristics for eradication ?

Answer 7

Ability to easily detect cases in humans
High level of pathogenicity
Distinctive clinical profile
Relatively short incubation period

Ideally, lack of environment and human reservoirs

Question 8

what are ideal infection control measures for eradication ?

Answer 8

Ability to stop contact that results in transmission of infection to susceptible person

Question 9

what are ideal Public health system in place for eradication ?

Answer 9

communication and transportation