Community Medicine (PSM) · Immunization and Vaccines (Cold Chain, NIS Schedule, Open Vial Policy)

Under the Universal Immunization Programme's revised Open Vial Policy, which of the following vaccines can be used in subsequent sessions after opening (i.e., has open vial policy)?

  • A MMR, Rotavirus, BCG
  • B BCG, MMR, Varicella
  • C IPV, fIPV, PCV
  • D OPV, Hepatitis B, Pentavalent
Correct answer: D. OPV, Hepatitis B, Pentavalent

Explanation

Under the revised Open Vial Policy (OVP), multi-dose vials of OPV, Hepatitis B, DPT, TT, and Pentavalent vaccine can be used in subsequent sessions within 28 days if VVM has not reached discard point, the vaccine was kept at 2–8°C, and aseptic technique was maintained. Lyophilized vaccines (BCG, MMR, MR, Rotavirus, Varicella) must be discarded after 4–6 hours of reconstitution as they are more susceptible to contamination and degradation once reconstituted. IPV/fIPV follows OVP but must be used within 28 days after opening.

Reference: Park's Textbook of Preventive and Social Medicine, 27th ed.

High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP

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