definiens: or shall mean : ( a ) the MN isolate of the Vaccine manufactured and supplied by [COMPANY] in compliance with Good Manufacturing Practices at the protein concent ration, formulation and fill volume produced by [COMPANY] as part of its normal manufacturing and fill process for the Vaccine, as may be modified under s uch regulatory approvals as are applicable and necessary for the sale of a Lice nsed Product by [COMPANY] during the term of this Agreement ( the ) ; and ( b ) each and every other Vaccine Variant ( as defined in Section 1.5 above ), which shall be covered by [COMPANY] 's option to manufactu re and supply under Article 4 below . The First Generation Commercial Vaccine and each such Vaccine Variant ( if any ) are each also referred to hereinbelow singular ly as a of Commercial Vaccine and collectively as the " Commercial Vaccine ( s )