Risk Zone Map (IMAGE) Umea University Caption Researchers have developed Rift Valley fever risk zone maps. This map shows risk distribution in districts of central and southern Kenya (Map by Mosomtai). Credit Umeå University Usage Restrictions This illustration may only be used in contexts related to this news release. 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.