Bradley Smith, University of Notre Dame (IMAGE) University of Notre Dame Caption 'Viral cultures are the gold standard for diagnosis of influenza but take several days to develop. By targeting an enzyme inherent to the virus and identifying its presence in a sample, we can make a rapid determination of the influenza in a patient for an efficient and immediate diagnostic that would improve patient treatment and reduce overuse of antivirals,' said Bradley Smith. Credit Matt Cashore/University of Notre Dame 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.