304. canine distemper virus antigen test. positive test result. black background.

304 animal antigen antigens background black canine clinical conjuctiva contagious control device diagnosis diagnostic discharge disease diseases disorder distemper dogs excrement eye hard hole illness infected infection infectious line medicine monitoring morbillivirus mucus nonimmunized nosal pad paramyxoviridae pet positive prevent result rna sample secretion snap swab test testing unvaccinated vaccine veterinarian veterinary virus vitro well