Canine distemper virus (CDV) is one of the mostserious infectious viruses in veter inary medicine.lt is mainly transmitted through diseased dogs.The virus exists in a large number of body fluidsor secretions of diseased dogs and may causerespiratory tract infection of animals.The kit isapplicable to qualitative detection of caninedistemper virus antigen in dog eye conjunctiva,nasal cavity, saliva, and other secretions.