John Lednicky has posted the complete genomic sequence of Canine distemper virus (CDV) strain 171391-513 and the complete CDS of the large protein gene of CDV strain UF 12-1 in GenBank. CDV is a morbillivirus that affects canids, large cats, and various other carnivores and omnivores, and is thought to have arisen from human Measles virus. Dr. Lednicky is isolating virus and assessing the sequences of CDV in raccoons, dogs, and wildlife in collaborative work with Dr. Dan Wolf from the Florida Wildlife Commission, Drs. Jim Wellehan and Thomas Waltzek of the UF College of Veterinary Medicine, Drs. Cannons, Wingfield, Johnson, and Stanek from the Florida Dept of Health, with Kari Puricelli (ThermoFischer), and Dr. Micah Halpern (GenSol Diagnostics). Preliminary genetic analyses of these newly posted CDV sequences and of other recent CDV sequences determined from Florida carnivores indicate that CDV is mutating quickly. It is worth keeping an eye on CDV, which has recently caused outbreaks among non-human primates in Japan and China. Will it soon mutate into another pathogen of humans?