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 Is a freeze-dired live vaccine against Swollen Head Syndrome prepared from a modified live virus (PL21 strain) multiplied in VERO cells. It is a chicken-derived live Avian Pneumovirus vaccine. 


PL21 vaccine strain, homologous to the Gallus gallus species

Lower level of attenuation

Genetic stability

Demonstrates good tropism for the respiratory system in chickens

More immunogenic

Does not induce harmful post-vaccinal reactions in chickens

Generates better level of protection

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1000ds, 5000ds glass bottles with rubber stopper sealed with an aluminum cap.