The UN identification numbers and the proper shipping names for category A infectious substances are:
UN2814 Infectious substance, affecting humans
UN2900 Infectious substance, affecting animals
UN2814 Infectious substance, affecting humans is used if the substance qualifies as a category A infectious substance and the pathogens could affect humans or humans and animals both.
UN2900 is used if the substance qualifies as a category A infectious substance and the pathogens could affect only animals.
Note that the proper shipping names must be written exactly as shown; abbreviations are not acceptable.