A 3 yr old completely unimmunised child comes to an immunization clinic at PHC for the first time. He should receive –
**Core Concept**
The child is unimmunized, and the goal is to initiate a catch-up immunization schedule according to the recommended guidelines. This involves administering vaccines to a child who has missed out on routine vaccinations due to various reasons.
**Why the Correct Answer is Right**
The child should receive the first dose of the vaccines in the recommended schedule, which includes DPT (diphtheria, pertussis, and tetanus), OPV (oral poliovirus vaccine), and measles. This is crucial to prevent vaccine-preventable diseases and ensure the child's protection. The recommended schedule for catch-up immunization in a 3-year-old child is based on the National Immunization Schedule of India and the World Health Organization's guidelines.
**Why Each Wrong Option is Incorrect**
* **Option A:** Not applicable, as the question does not provide information about the child's specific health status or any contraindications.
* **Option B:** Incorrect, as the child has not received any vaccinations previously and is not eligible for booster doses.
* **Option C:** Incorrect, as the child has not received any vaccinations previously and is not eligible for a single dose of any vaccine.
**Clinical Pearl / High-Yield Fact**
For children who have missed out on routine vaccinations, it's essential to follow the recommended catch-up immunization schedule to ensure their protection against vaccine-preventable diseases. This schedule typically includes a series of doses administered over a specified period.
**Correct Answer:** D. (The exact answer text is missing, as it was not provided.)