How Is Coryza Spread?

The disease can be spread via aerosols, ingested feed or water, people and contaminated clothing and equipment. The most common and prominent symptoms of infectious coryza are edema or swelling of the face and conjunctivitis with nasal and ocular (eye) discharge.

Can coryza spread to humans?

Infectious Coryza does not present a zoonotic risk (the disease does not spread from birds to humans). In addition, human consumption of meat or eggs derived from birds contaminated with Avibacterium paragallinarum presents no risk for human health.

How did my chickens get coryza?

Coryza is primarily transmitted by direct bird-to-bird contact. In addition, birds can also catch the disease by breathing airborne bacteria and consuming contaminated feed and/or water. The disease can also be introduced when infected birds are brought into the flock.