Striking Image (IMAGE) University of California - San Diego Caption Mouse lung epithelial cells infected with influenza are marked by the expression of NS1 (magenta). These cells augment expression of the Hedgehog target gene, Patched-1 (green). Credit UC San Diego Usage Restrictions Image must be used in conjunction with <i>PLOS Pathogens</i> papers. 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.