3D printed nasal swabs (IMAGE) University of South Florida (USF Health) Caption The 3D printed nasal swabs invented by USF Health to address COVID-19 diagnostic testing shortages are in use around the world. The swabs were specifically designed for patients using FDA-approved surgical grade material. Credit © USF Health|University of South Florida Usage Restrictions Please use photo with appropriate caption. 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.