Disease elimination means?

RUHS, Jaipur, M.Sc Nursing Entrance Exam-2021

Community Health Nursing

Easy

Appeared in: RUHS, Jaipur, M.Sc Nursing Entrance Exam-2021

Explanation

Disease elimination specifically means stopping the chain of transmission of a disease within a defined geographical area.
This results in the reduction of new cases (incidence) to zero in that particular region.
It is considered an intermediate goal between disease control and global eradication.
Unlike eradication, elimination requires ongoing surveillance and control measures to prevent the disease from being reintroduced from other regions.

Option A: A 'cure' is an individual-level concept referring to a single patient's recovery from a disease. 'Elimination' is a population-level public health term describing the status of a disease in a region.
Option B: Eradicating a vector (like a specific mosquito species) is a strategy or method to achieve disease control or elimination, not the definition of elimination itself. A disease can be eliminated through other means, such as vaccination, even if the vector persists.
Option D: This is the definition of 'disease eradication,' which is the permanent reduction of the worldwide incidence of a disease to zero by exterminating the infectious agent. Elimination is geographically limited (regional), whereas eradication is global.

Clinical Relevance

Nursing practice connection: Knowing Definitions of Public Health Epidemiological Terms helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Understanding the precise definitions of control, elimination, and eradication is fundamental for community health nurses to comprehend the goals of national and international health programs.
This knowledge guides public health activities, including surveillance, vaccination campaigns, and resource allocation. For example, the strategy for an 'elimination' campaign differs significantly from a 'control' program.
In India, the successful polio elimination campaign is a prime example. Nurses were at the forefront of ensuring high vaccination coverage, which interrupted local transmission, leading to the country being declared polio-free.

How to Approach the Question

This is a factual recall question that tests your knowledge of standard public health definitions.
First, identify the key term in the question: 'Disease elimination.'
Mentally recall the hierarchy of public health goals for infectious diseases: Control → Elimination → Eradication.
Differentiate the definitions based on scope: 'Control' is about reducing the burden, 'Elimination' is about stopping transmission in a specific region (regional), and 'Eradication' is about stopping it everywhere forever (global).
Evaluate each option against this framework. 'Preventing local transmission' directly aligns with the regional scope of 'elimination.'
Rule out other options: 'Cure' is an individual term, 'vector eradication' is a method, and 'complete termination' defines eradication, not elimination.

Concept Tested & Keywords

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E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart A (pp 26-201 of 604) p. 31-33

E6 Ghai Essential Pediatrics(pp 26-904 of 913) p. 186-188