摘要 |
A composition for use in treating or preventing a respiratory virus which comprises: (a) at least one water soluble zinc, copper, selenium and/or manganese compound able in aqueous solution to dissociate into zinc, copper selenium and/or manganese ions; (b) at least one water soluble ammonium agent able in aqueous solution to dissociate into ammonium ions (c) at least one acid, and (d) water. |