At what age is the 1st dose of the Pentavalent vaccine given?

Appeared in: NHM MP Staff Nurse-2019

Explanation

The first dose of the Pentavalent vaccine is administered at 6 weeks of age, as per the National Immunization Schedule (NIS) in India.
This vaccine is a 5-in-1 formulation protecting against Diphtheria, Pertussis, Tetanus (DPT), Hepatitis B, and Haemophilus influenzae type b (Hib).
The primary vaccination series consists of three doses given at 6, 10, and 14 weeks to build adequate immunity.
Administering the first dose at 6 weeks provides early protection against whooping cough (pertussis) and Hib-related pneumonia and meningitis, which can be severe in young infants.

Option A: 10 weeks is the age for the administration of the second dose of the Pentavalent vaccine.
Option B: 12 weeks is not a scheduled time point for any of the three primary doses of the Pentavalent vaccine under the National Immunization Schedule.
Option C: 9 weeks is not a scheduled age for any dose of the Pentavalent vaccine. This may be confused with the 9-month schedule for other vaccines like Measles-Rubella (MR).

Clinical Relevance

Nursing practice connection: Knowing National Immunization Schedule (NIS) for Pentavalent vaccine helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Adherence to the immunization schedule is critical for protecting infants from life-threatening diseases. A nurse's primary role is to educate parents about the importance of timely vaccination.
Nurses must ensure correct administration: 0.5 mL, intramuscular (IM) route, into the anterolateral aspect of the mid-thigh (Vastus lateralis muscle).
It is crucial to counsel parents on managing common minor side effects like fever and local pain, and to inform them about the schedule for the next doses at 10 and 14 weeks.

How to Approach the Question

This is a factual recall question that tests knowledge of a standard public health protocol.
First, identify the key components of the question: 'Pentavalent vaccine' and '1st dose age'.
Recall the National Immunization Schedule (NIS) for infants provided by the Government of India.
Mentally map out the key vaccination points in early infancy: Birth (BCG, OPV-0, Hep-B), 6 weeks, 10 weeks, and 14 weeks.
Place the Pentavalent vaccine series onto this timeline. The series starts at 6 weeks.
Compare this information with the given options. '6 weeks' is the correct starting point, while '10 weeks' is for the second dose. '9 weeks' and '12 weeks' are incorrect intervals for this vaccine's primary series.

Concept Tested & Keywords

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E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart A (pp 26-201 of 604) p. 120-122

E6 Ghai Essential Pediatrics(pp 26-904 of 913) p. 189-191

Practise the full NHM MP Staff Nurse-2019

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