By what can Measles be eliminated?

P.CHO-2019

Community Health Nursing

Easy

Appeared in: P.CHO-2019

Explanation

Measles elimination is achieved by interrupting the chain of transmission, which requires high population immunity (herd immunity).
Vaccination is the only method to achieve the required 95% or higher immunity level needed to stop the spread of the highly contagious measles virus.
The measles vaccine provides safe, effective, and long-lasting protection and is a cornerstone of public health programs worldwide.
Treatment for measles is supportive and manages symptoms but does not prevent virus transmission or lead to population-level elimination.

Option A: Treatment for measles is supportive (managing fever, hydration, Vitamin A supplementation). It does not prevent virus transmission to others and therefore cannot create the population-wide immunity needed for elimination.
Option C: The term 'elimination' refers specifically to stopping disease transmission at a population level. This public health goal is solely dependent on preventing transmission through mass vaccination. While treatment is crucial for sick individuals, it does not contribute to elimination.
Option D: Vaccination is a highly effective and globally recognized strategy for eliminating measles. Many countries have successfully eliminated endemic measles through sustained, high-coverage immunization programs.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Public health strategies for measles elimination as background academic context rather than a clinical decision trigger.
Nurses are central to measles elimination efforts through direct vaccine administration, educating parents about the importance and schedule of the MR/MMR vaccine, and addressing vaccine hesitancy with evidence-based information.
In clinical practice, nurses must be vigilant in identifying suspected measles cases (fever with cough, coryza, conjunctivitis, and Koplik's spots), implementing appropriate airborne precautions, and ensuring supportive care, including Vitamin A administration as per protocol.
What if? If a community's vaccination coverage drops below 90%, it loses herd immunity. A single imported case of measles could then trigger a large-scale outbreak. The nursing priority would shift from routine prevention to outbreak response, including case finding, contact tracing, and implementing emergency catch-up vaccination campaigns.

How to Approach the Question

First, analyze the question's keyword: 'eliminated'. This refers to a public health goal of stopping disease transmission in an entire population, not just treating one person.
Next, consider how highly infectious diseases are controlled at a population level. The primary strategy is to prevent infection from occurring in the first place.
Evaluate the options in this public health context. 'Proper treatment' applies after a person is already sick and can still transmit the virus.
'Vaccination' is a preventive measure that creates immunity, stopping individuals from getting sick and spreading the virus, thereby breaking the chain of transmission.
Conclude that to 'eliminate' a disease as contagious as measles, a very high level of population immunity is required, which is only achievable through a robust vaccination program.

Concept Tested & Keywords

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E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart A (pp 26-201 of 604) pp. 151-153, 153-155