Influenza A H1N1 antigen.
• Reacts strongly with all H1N1 strains tested including Beijing, A/ Texas /36/91, A/Berkeley/1/98, A/HongKong/503/97, A/Nanchang /16A/98,A/PR/8/34, New Caledonia strain, and A/California/7/2009.
• No reactivity shown to Influenza B strains.