Virulent Newcastle Disease outbreak continues in California backyard exhibition chickens

July 12, 2018

California Department of Food and Agriculture (CDFA) reports that the disease has been confirmed at more than 26 properties and more than 800 individual properties have been quarantined, all in a relatively small area in and near southwestern San Bernardino County. A local poultry show has been cancelled to control disease spread.
APHIS is working closely with the CDFA to respond to these findings and to conduct an epidemiological investigation. Federal and State partners are also conducting additional surveillance and testing in the area.
vND Disease is a contagious and fatal viral disease affecting the respiratory, nervous and digestive systems of birds and poultry. The disease is so virulent that many birds and poultry die without showing any clinical signs.
vND is not a food safety concern. No human cases of Newcastle disease have ever occurred from eating poultry products. Properly cooked poultry products are safe to eat. In very rare instances people working directly with sick birds can become infected with mild symptoms.
vND has not been found in commercial poultry in the U.S. since 2003. While it has not been reported in domestic poultry in Canada since 1973, a small number of cases of Newcastle disease are occasionally detected in Canada’s wild bird population.

A complete list of confirmed cases is available at

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