Meningococci (IMAGE) University of Würzburg Caption False color scanning electron micrograph of meningococci (orange) adherent to human host cells (green). Credit (Picture: Alexandra Schubert-Unkmeir / University of Wuerzburg) Usage Restrictions None 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.