Bacteria in the Respiratory Tract (image) University of Veterinary Medicine -- Vienna Share Print E-Mail Caption This image shows Mycoplasma gallisepticum on epithelial cells of a chicken trachea. Credit Photo: Michael Szostak / Vetmeduni Vienna Usage Restrictions The photo may only be used in the context of this press release. 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.