Social & Preventive Medicine General 506e678d Each day carrier can carry how many vaccine ls? A 4-Feb B 8-Jun C 10-Aug D 16-20 High-Yield Explanation A day carrier can carry 6 to 8 vaccine ls. 2 frozen ice packs are used. Vaccines can be stored in aday carrier for a few hours. Ref: Park 21st edition, page 103.