This study was conducted on domestic pigeons and back yard
chickens populations in many regions of Syrian Arab Republic
using techniques of isolation on chicken embryo and cell culture.
The birds were suspected to be infected by pox virus through
clinical symptoms by the presence of lesions in warts and scars
on Different areas of the face as the comb, wattle, the corner of
the mouth and eyelids and other areas of body and we notice
presence of Diphtheric lesions on the mucous membrane of the
oral cavity in many cases.
