Dual action provides an extra layer of protection against borrelia burgdorferi infection in dogs.
Combines two strains of B. burgdorferi for optimal effectiveness.
Strain 1 is a B. burgdorferi traditional isolate that stimulates
production of borreliacidal antibodies to outer surface protein A
(OspA)
Strain 2 is an unique isolate that stimulates production of borreliacidal antibodies to outer surface protein C (OspC)