Nigerian researcher wearing PPE (IMAGE) University of Sussex Caption A researcher in Nigeria wears one of the 3D printed surgical masks. Credit Please credit Royhaan Folarin, TReND Usage Restrictions Please credit the researcher 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.