The vaccine should be stored at +2°C to +8°C.
Partially used vials must be used the same day.
DO NOT FREEZE; discard if vaccine has been frozen.
Store in the original package in order to protect from light.
Additional information on the stability: The following experimental data give an indication of the stability of the vaccines and are not recommendations for storage.
Engerix-B has been kept in a refrigerator at +2°C to +8°C for 48 months without significant loss of potency.
Engerix-B has been kept at 37°C for 1 month and 45°C for 1 week without loss of its potency.