Purified virions. Reacts with all antigenic types of Influenza A in other assay applications. May react with chicken cellular proteins. Specific to H3N2 by IHA. Does not react with HEp -2 cells. Does not react Influenza B, RSV, Para 1-3 or Adenovirus.

Short-term (up to 6 months) store at 2-8 °C. Long term, aliquot and store at -20°C. Avoid multiple freeze/thaw cycles.