Single dose vials containing (minimum titres in TCID₅₀)
Live attenuated canine distemper virus (10³) 
Live attenuated canine adenovirus type 2 (10^2.5)
Live attenuated canine parvovirus (10⁵)
Live attenuated canine parainfluenza (10⁵)

Companion™ C4  is a quadrivalent living vaccine for the protection against Distemper, Hepatitis, Parvovirus and Parainfluenza viral infections in dogs.
Presented in 10 single dose vials for reconstitution. 

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