Immunisation: open vial policy: practice question

A Pediatrics question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

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Pediatrics · Immunisation: open vial policy

Sample item

Under the open vial policy in India, which vaccines can be reused up to 28 days if storage conditions are met?

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

A. OPV, DPT, hepatitis B, pentavalent and Td

The open vial policy allows multi-dose liquid vaccines like OPV, DPT, hepatitis B, pentavalent and Td to be used for up to 28 days if the vial septum is clean and cold-chain is kept. Lyophilised vaccines are not covered.

Option by option

  • A. OPV, DPT, hepatitis B, pentavalent and Td (correct)

    Correct. These multi-dose liquid vaccines can be reused.

  • B. All lyophilised vaccines

    Lyophilised vaccines need discarding after 4 hours of reconstitution.

  • C. BCG and measles-rubella

    BCG and MR are reconstituted vaccines and are discarded after 4 hours.

  • D. Rotavirus only

    The policy is not limited to rotavirus.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

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Questions about this Pediatrics question

What is the answer to this Pediatrics question?

The best answer is A, OPV, DPT, hepatitis B, pentavalent and Td. The open vial policy allows multi-dose liquid vaccines like OPV, DPT, hepatitis B, pentavalent and Td to be used for up to 28 days if the vial septum is clean and cold-chain is kept.

Why is "All lyophilised vaccines" not the answer?

Lyophilised vaccines need discarding after 4 hours of reconstitution.

Why is "BCG and measles-rubella" not the answer?

BCG and MR are reconstituted vaccines and are discarded after 4 hours.

Why is "Rotavirus only" not the answer?

The policy is not limited to rotavirus.

What concept does this question test?

It tests Immunisation: open vial policy in Pediatrics. Lyophilised vaccines are not covered.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study Immunisation: open vial policy?

Memorise milestones and the vaccine schedule as tables and revise them often. Then use the flashcards and the other Pediatrics questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.