H1a - seropos and seroneg tests (IMAGE) Washington State University Caption The cartridge for the new point-of-care diagnostic test showing a positive result (left) with the presence of the antibody indicating infection and the absence of the antibody (right). Credit Washington State University Usage Restrictions For use only with stories associated with this press release License Original 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.