It is in consequence of the digestion of vaccinal products that the phagocytes manufacture the fixator.
The present writer has met with success in the use of vaccinal virus seven years old.
This is contrary to what we might have imagined, as warmth and moisture are quite destructive of the vaccinal virus.
vaccinal vac·ci·nal (vāk'sə-nəl, vāk-sē'-)
Of or relating to vaccination or a vaccine.
Induced by vaccination.