<I>Mastomys coucha</I> Rodent (IMAGE) PLOS Caption Mastomys coucha rodents vaccinated against skin papillomavirus (MnPV) do not develop skin tumors, in contrast to unvaccinated animals. Credit Daniel Hasche Usage Restrictions Please use this image with a CC BY license: http://creativecommons.org/licenses/by/4.0/ 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.