If a mother brings her 18-month-old baby to the hospital who has not been immunized with a single vaccine, which vaccine can be given at this time, except...

1. A

   BCG

2. B

   Measles

3. C

   DPT-1st

4. D

   OPV-1st

Appeared in: UPUMS Nsg.Officer-2024

Explanation

• The BCG vaccine is recommended at birth or as early as possible but only up to 1 year of age.
• Since the child is 18 months old, they are no longer eligible for the BCG vaccine.
• The rationale for this age limit is that most children develop natural (sub-clinical) immunity to tuberculosis after one year, and the vaccine's efficacy in preventing severe childhood TB is primarily for infants.

Why Other Options Were Wrong

• Option B: The Measles vaccine can be administered to an unimmunized 18-month-old child.
• Option C: The first dose of DPT can be given to an 18-month-old child as part of a catch-up schedule.
• Option D: The first dose of OPV can be administered to an 18-month-old child.

Related Visual

Clinical Relevance

• Nursing practice connection: Knowing Catch-up immunization schedule and maximum age limits for pediatric vaccines under the National Immunization Schedule (NIS) of India helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
• Nurses play a critical role in assessing a child's immunization history and determining eligibility for catch-up vaccines based on strict age-related guidelines.
• Administering a vaccine outside its recommended age range can be ineffective and may pose safety risks. For BCG, it is a contraindication.
• Patient education is key. Nurses must explain to parents the importance of adhering to the immunization schedule and the plan for catching up on missed doses to ensure full protection.

How to Approach the Question

• First, identify the core of the question: you need to find the exception among the given options.
• The keyword 'except' signals that three options are correct actions (vaccines that can be given) and one is incorrect (a vaccine that cannot be given).
• Recall the specific upper age limits for the vaccines listed: BCG, Measles, DPT, and OPV, according to the National Immunization Schedule.
• Compare the child's age (18 months) to the upper age limit for each vaccine.
• The vaccine whose upper age limit is less than 18 months is the correct answer.

Concept Tested & Keywords

• Concept Tested: Catch-up immunization schedule and maximum age limits for pediatric vaccines under the National Immunization Schedule (NIS) of India.
• Stem keywords: 18-month-old, not immunized, vaccine
• Lead-in keywords: except
• Clinical cues: Age of the child (18 months) is the critical factor for determining vaccine eligibility.
• Clinical cues: The term 'not been immunized with a single vaccine' indicates the need for a catch-up schedule, not a routine one.

Question ID

QIwnGnl7Ar1yIn2nsjWNKs

Copy ID

Reference Book

E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart C (pp 404-604 of 604) pp. 126-128, 127-129