VaxArray® Influenza NA Potency Test 2 (IMAGE) InDevR, Inc. Caption The VaxArray Influenza Seasonal NA Potency test is a quantitative multiplexed immunoassay specific for seasonal NA subtypes, N1, N2 and B-NA. Credit InDevR, Inc. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.