Question:
Open vial policy is NOT applied to which vaccine?
Open vial policy is NOT applied to which vaccine?
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The open vial policy is applicable only to vaccines that can remain stable and sterile over multiple sessions, such as Hepatitis B and OPV.
Updated On: Jan 17, 2026
- Hepatitis B
- Liquid pentavalent vaccine
- BCG vaccine
- OPV vaccine
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The Correct Option is C
Solution and Explanation
The open vial policy allows the use of certain vaccines in multiple sessions within a specified time period if the vial is handled under appropriate cold chain conditions. However, it does not apply to vaccines like BCG, as it is a freeze-dried (lyophilized) vaccine and must be discarded within 4–6 hours after reconstitution to prevent contamination and maintain efficacy.
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