WHO policy on the use of opened multi-dose vaccine vials (2014 Revision)

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Published
2014
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This revision to the multi-dose vial policy provides updated guidance on how to handle all opened multi-dose vials of WHO pre-qualified vaccines. It outlines the conditions under which opened multi-dose vials can be kept for 28 days and which must be discarded after 6 hours or at the end of the immunization session, whichever comes first, along with a description of the visual triggers that can be used to guide vaccine handling by vaccinators.