ECU COVID HVAC 1 (IMAGE) East Carolina University Caption Undergraduate students Marina Boatman and Lauren Johansen position tubes and air filters to collect air samples that will be tested for SARS-CoV-2, the virus that causes COVID-19. Credit Photos by Rhett Butler/ECU Usage Restrictions Please use with photo credit 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.