Nobivac DHPPi + L4 is a combined canine vaccine that protects against the core canine diseases covered by the DHPPi vaccine (Distemper, Hepatitis, Parvovirus, Parainfluenza) plus Leptospirosis from four key serogroups, represented by the "L4" component, which typically includes protection against Canicola, Icterohaemorrhagiae, Australis, and Grippotyphosa serovars of Leptospira bacteria.
