Full-length recombinant protein corresponding to H3N2, strain A/Wyoming/2003/3, glycosylated with N-linked sugars, produced using baculovirus vectors in insect cells Storage and Stability: May be stored at 4C for short-term only. Aliquot to avoid repeated freezing and thawing.. Store at -20C. Aliquots are stable for 6 months after receipt at -20C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.