| occurrence and geographical distribution of canine distemper virus infection in red foxes (vulpes vulpes) of saxony-anhalt, germany. | canine distemper virus (cdv) infects dogs and a variety of carnivore species. in saxony-anhalt, a federal state of germany, 761 foxes were examined for cdv infection, using real-time polymerase chain reaction (pcr), in the years 2010 and 2011. a prevalence of 30.5% was found for the whole time period without significant changes in prevalence between 2010 and 2011. the relative risk (rr) of a fox to test positive for cdv varied markedly within the area of the state and was significantly increased ... | 2013 | 22999912 |