How far in advance can 2009 H1N1 monovalent inactivated vaccine be pre-drawn into syringes?
CDC’s National Center for Immunization and Respiratory Diseases (NCIRD), strongly recommends providers draw vaccine only at the time of administration to ensure that the cold chain is maintained and that vaccine is not inappropriately exposed to light. CDC also strongly discourages pre-filling syringes because of the increased risk of administration errors. The vaccine manufacturers do not recommend that influenza vaccine be filled in advance of a mass influenza vaccination clinic because there are no data on the stability of vaccine stored in syringes filled by providers.
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