abstract |
A composition comprising (i) an immunogenic amount of a hemagglutinin antigen of an influenza virus and (ii) at least one thermolabile mutant Escherichia coli enterotoxin selected from the group consisting of LT-K63 and LT-R72, characterized in that the composition It is for oral administration to a mammal and is in the form of ingestible tablets, buccal tablets, troches, capsules, elixirs, syrups and wafers. |