Route of administration of MR vaccine?

Appeared in: NHM UP Staff Nurse - 2019

Explanation

The MR (Measles-Rubella) vaccine is a live attenuated vaccine, meaning it contains weakened forms of the viruses.
It is administered via the subcutaneous (SC) route, injected into the fatty tissue layer just beneath the skin.
This route allows for slow absorption of the vaccine, which is optimal for stimulating a durable immune response for live vaccines like MR.
The standard injection site is the right upper arm, and the needle is inserted at a 45-degree angle to the skin.

Option A: The Intramuscular (IM) route is incorrect for the MR vaccine. This route involves injecting deep into the muscle tissue.
Option B: The Intradermal (ID) route is incorrect for the MR vaccine. This route involves injecting into the topmost layer of the skin (the dermis).
Option D: The Intravenous (IV) route is incorrect. Vaccines are not administered directly into the bloodstream.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Route of Administration for Vaccines as background academic context rather than a clinical decision trigger.
Using the correct administration route is crucial for vaccine efficacy and safety. An incorrect route can lead to a reduced immune response or increased local reactions.
As a nurse, you must verify the vaccine, dose, and route before administration as part of the rights of medication safety.
Patient education is key. Inform parents about the expected side effects, such as mild fever or rash, and when to seek medical advice.

How to Approach the Question

This is a factual recall question based on the National Immunization Schedule.
First, identify the specific vaccine in the question: MR (Measles-Rubella).
Next, recall the standard administration route for this vaccine. It's helpful to remember that most live injectable vaccines (like MR, MMR, Varicella) are given subcutaneously.
Evaluate the options provided:
IM is for vaccines like Pentavalent/DPT.
ID is specifically for BCG.

Concept Tested & Keywords

QRaRZHRZFlkNbuvhi2-OHd

E6 Ghai Essential Pediatrics(pp 26-904 of 913) p. 187-189

E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart A (pp 26-201 of 604) p. 99-101

Practise the full NHM UP Staff Nurse - 2019

Attempt every question from this paper in a timed mock, then review the full solution for each one.