Professor Chen Sheng (IMAGE) City University of Hong Kong Caption Professor Chen Sheng worries that the newly discovered conjugative plasmid could covert a normal Klebsiella pneumoniae strain into a hyper-virulent Klebsiella pneumoniae in a rapid way, posing a bigger threat to patients' health. Credit City University of Hong Kong Usage Restrictions Image may only be used with appropriate caption and credit. 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.