Viruses Observed in the Basement (IMAGE) University of Hawaii at Manoa Caption These are various types of viruses observed in the basement fluids imaged using electron microscopy. Credit Olivia D. Nigro Usage Restrictions Image may be used with appropriate caption and credit. 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.