Electron Micrograph of HSV-1 Infecting a Cell (image) Carnegie Mellon University Share Print E-Mail Caption This is an electron micrograph of herpes simplex virus type 1 infecting a cell. Carnegie Mellon researchers have for the first time calculated the pressure inside the virus that powers the ejection of viral DNA into a host cell. Credit Carnegie Mellon University Usage Restrictions None 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.