Highly Pathogenic Avian Influenza (HPAI)

HPAI Map

Last updated September 15, 2022

News

September 13, 2022

HPAI detected in a backyard flock in El Dorado County

• As of today, HPAI has been confirmed in domesticated flocks in the following 6 (six) California counties: Butte, Contra Costa, El Dorado, Fresno, Sacramento, and Tuolumne.

August 30, 2022

HPAI detected in a commercial flock in Sacramento County

• HPAI was detected in a commercial turkey flock in Sacramento County, California. This is in addition to the previously confirmed backyard flock that CDFA announced on August 11, 2022.

Letter from California Department of Public Health regarding poultry industry Influenza vaccinations

• CDPH encourages on-site flu vaccinations as influenza season begins

August 22, 2022

Highly Pathogenic Avian Influenza (HPAI) Detected in Fresno and Contra Costa Counties

• HPAI detected in a commercial flock in Fresno County and backyard flock in Contra Costa County

August 11, 2022

Avian Influenza detected in multiple CA counties, including Sacramento county

• Avian Influenza confirmed in California Backyard flock and wild birds

July 29, 2022

Avian Influenza detected in Sonoma County, CA

• Four wild birds tested positive for Avian Influenza in Sonoma County. 

July 15, 2022

Highly Pathogenic Avian Influenza detected in wild birds in California

• Three wild birds (two Canada Geese and one American white pelican) from Colusa and Glenn counties tested positive

July 8, 2022

USDA Confirms Highly Pathogenic Avian Influenza in Nevada

• Backyard flock near Carson City, NV tested positive for HPAI
• It is recommended to house birds indoors where possible

June 9, 2022

HPAI still being detected in wild birds although rates continue to decrease

• Avian influenza confirmed in 3 nestling cormorants in Scottsdale park
  
• Arizona Department of Agriculture announcement

May 6, 2022

USDA confirms Highly Pathogenic Avian Influenza in backyard chicken flocks in Oregon and Washington

• USDA announcement

April 29, 2022:

The first human case of avian flu in the U.S. is detected in Colorado.

Person Had Contact with Infected Poultry; Public Health Risk Assessment Remains Low

• U.S. Case of Human Avian Influenza A(H5) Virus Reported

March 16, 2022: 

HPAI confirmed in Pacific Flyway region.

• HPAI confirmed in Pacific Flyway region; West on alert
• Oregon Department of Agriculture (ODA) prepares as highly pathogenic avian influenza is confirmed in the Pacific Flyway

February 23, 2022:

The California State Veterinarian has imposed a quarantine and additional entry requirements on all live poultry, hatching eggs and poultry products originating from an area affected by an HPAI outbreak and entering California. See infographic.

Latest Updates

Check out these links regularly to get the latest updates:

• 2022 Confirmations of Highly Pathogenic Avian Influenza in Commercial and Backyard Flocks
• Avian Influenza Updates from California Department of Food and Agriculture (CDFA) 
• Track 2022 avian influenza outbreaks in North American poultry
• Letter from California Department of Public Health regarding poultry industry Influenza vaccinations
  • CDPH encourages on-site flu vaccinations as influenza season begins

Top 4 Biosecurity Tips

Biosecurity

An Activity about Disease Transmission - Dr. Rodrigo Gallardo

Disease Transmission and Practical Biosecurity - Dr. Maurice Pitesky

• Backyard Poultry Disease Basics (RootSimple Podcast)

• Isolation and Quarantine (UCD)
• Preparing for Highly Pathogenic Avian Influenza (ChickenWhisperer - UCD)
• USDA Biosecurity for Birds