Infectious Spores (image) Duke University Share Print E-Mail Caption Scanning electron micrograph shows infectious spores produced by the deadly fungi Cryptococcus neoformans. Credit Duke University Usage Restrictions Please credit Duke University. Share Print E-Mail 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.