Current recommendation for first mumps immunization is between?

DSSSB - 29 August 2019 (Shift-1)

Child Health Nursing (Pediatrics)

Easy

Appeared in: DSSSB - 29 August 2019 (Shift-1)

Explanation

The recommended age for the first dose of the mumps vaccine, given as part of the Measles, Mumps, and Rubella (MMR) vaccine, is 12-15 months.
This timing is crucial because by this age, the passive immunity an infant receives from their mother (maternal antibodies) has decreased sufficiently.
If the vaccine is given too early (before 12 months), these maternal antibodies can neutralize the vaccine virus, leading to a poor immune response and vaccine failure.
The second dose is typically administered between 4 and 6 years of age, before the child enters school.

Option A: This age is generally considered too early for the MMR vaccine due to the presence of maternal antibodies, which can interfere with the vaccine's effectiveness.
Option C: This age range is for other primary infant vaccinations, such as DTaP, Hib, Polio (IPV), PCV, and Rotavirus. The MMR vaccine is not recommended at this early age.
Option D: While this falls within the broader WHO recommendation of 12-18 months, the standard schedule in the US and under the Indian Academy of Pediatrics (IAP) is 12-15 months for the first dose. 16-18 months is the window for other vaccines, like the DPT booster.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Pediatric Immunization Schedule as background academic context rather than a clinical decision trigger.
Adhering to the recommended immunization schedule is critical for preventing outbreaks of vaccine-preventable diseases like mumps, which can have serious complications such as meningitis, encephalitis, and orchitis (inflammation of the testes).
Nurses play a vital role in educating parents about the importance of timely vaccinations and addressing misconceptions to ensure high vaccination coverage, which is essential for herd immunity.
What if? If a 9-month-old infant is scheduled for international travel to a region with an ongoing measles outbreak, the CDC may recommend an early dose of MMR vaccine before travel. However, this dose does not count toward the routine two-dose series, and the child would still need to receive the first routine dose at 12-15 months.

How to Approach the Question

Identify the core question: The question asks for the specific timing of the first mumps immunization.
Recognize this as a factual recall question based on established public health guidelines (e.g., National Immunization Schedule).
Recall that mumps vaccine is part of the MMR combination vaccine.
Think about the principle of maternal antibody interference, which dictates why some live vaccines are given after the first year of life.
Evaluate the options based on the standard 12-15 month window for the first MMR dose. Eliminate options that are too early (due to maternal antibodies) or that correspond to schedules for other vaccines or booster doses.

Concept Tested & Keywords

Q-io_Q2F1hO5KOXVv3oHl_

E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 1976-1978

E6 Medicine Harrison 22e Part 1 p. 1690-1692

E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart A (pp 26-201 of 604) p. 122-124