CDV+CAV-II+CIV Antigen Combo Rapid Test Cassette (Secretions) is a combined cassette to differentially diagnose the presence of Canine Distemper Virus antigen (CDV Ag) and canine adenovirus-II antigen (CAV-II Ag) and canine influenza virus antigen (CIV Ag) in canine’s ocular and nasal secretions. For use exclusively with the LF Reader.