Canine Distemper Virus (CDV)/Canine Adenovirus (CAV)/Canine Influenza Virus (CIV) Ag Combo Test is a sandwich lateral flow immunochromatographic assay, developed and manufactured by Bioguard Corporation, for the rapid and qualitative detection of Canine Distemper, Virus, Canine Adenovirus and Canine Influenza Virus antigens in dog's nasal secretion