USDA APHIS | USDA Confirms Highly Pathogenic Avian Influenza in a Commercial Poultry Flock in Delaware

USDA APHIS | USDA Confirms Highly Pathogenic Avian Influenza in a Commercial Poultry Flock in Delaware

[email protected]  

WASHINGTON, February 23, 2022 – The United States Section of Agriculture’s (USDA) Animal and Plant Health and fitness Inspection Company (APHIS) has verified the presence of highly pathogenic avian influenza (HPAI) in a professional poultry flock in New Castle County, Delaware.

Samples from the flock ended up tested at the University of Delaware’s Allen Laboratory in Newark, portion of the National Animal Wellbeing Laboratory Community, and confirmed at the APHIS Countrywide Veterinary Companies Laboratories (NVSL) in Ames, Iowa.

APHIS is functioning carefully with condition animal wellbeing officials in Delaware on a joint incident response. Condition officers quarantined the affected premises, and birds on the residence will be depopulated to protect against the unfold of the ailment. Birds from the flock will not enter the food items technique.  

In accordance to the U.S. Facilities for Disorder Handle and Prevention, the modern HPAI detections do
not existing an instant general public wellness worry
.  No human cases of these avian influenza viruses have been detected in the United States.  As a reminder, the right managing and cooking of poultry and eggs to an interior temperature of 165 ˚F kills bacteria and viruses. 

As section of existing avian influenza reaction strategies, Federal and Point out partners are doing work jointly on added surveillance and tests in locations all over the afflicted flocks. The United States has the strongest AI surveillance software in the entire world, and USDA is doing work with its partners to actively look for the ailment in industrial poultry operations, are living chook marketplaces and in migratory wild hen populations.

Anyone associated with poultry production from the smaller backyard to the significant industrial producer need to evaluate their biosecurity actions to assure the well being of their birds. APHIS has products about biosecurity, which include videos, checklists, and a toolkit obtainable at  

USDA will report these findings to the Globe Organisation for Animal Overall health (OIE) as nicely as international investing companions. USDA also continues to communicate with trading associates to really encourage adherence to OIE specifications and lessen trade impacts. OIE trade pointers phone on countries to foundation trade limits on sound science and, when attainable, limit restrictions to people animals and animal products within a described area that pose a danger of spreading condition of issue. 

APHIS will carry on to announce the very first case of HPAI in commercial and backyard flocks detected in a Condition but will not announce subsequent detections in the Point out.  All conditions in business and backyard flocks will be shown on the APHIS website at

In addition to training fantastic biosecurity, all hen homeowners should really prevent get hold of among their birds and wild birds and report unwell birds or unusual bird deaths to Condition/Federal officers, both by means of their state veterinarian or through APHIS’ toll-free variety at 1-866-536-7593. APHIS urges producers to look at bringing birds indoors when possible to further more stop exposures. The Animal Wellness Protection Act authorizes APHIS to offer indemnity payments to producers for birds and eggs that ought to be depopulated for the duration of a illness response. APHIS also gives compensation for disposal pursuits and virus elimination things to do.  Additional data on biosecurity for backyard flocks can be uncovered at

Further background
Avian influenza (AI) is caused by an influenza form A virus which can infect poultry (these types of as chickens, turkeys, pheasants, quail, domestic ducks, geese, and guinea fowl) and is carried by absolutely free flying waterfowl this sort of as ducks, geese and shorebirds. AI viruses are labeled by a combination of two groups of proteins: hemagglutinin or “H” proteins, of which there are 16 (H1–H16), and neuraminidase or “N” proteins, of which there are 9 (N1–N9). Lots of unique combos of “H” and “N” proteins are doable. Just about every mix is regarded as a distinctive subtype and can be further more broken down into diverse strains which flow into inside of flyways/geographic locations. AI viruses are further more classified by their pathogenicity (small or superior)—the means of a individual virus pressure to create disorder in domestic poultry.



USDA touches the life of all Us residents just about every day in so lots of good techniques. In the Biden-Harris Administration, USDA is reworking America’s food procedure with a bigger focus on much more resilient nearby and regional food output, fairer markets for all producers, ensuring obtain to risk-free, nutritious and healthy food items in all communities, constructing new markets and streams of income for farmers and producers applying climate good foods and forestry techniques, generating historic investments in infrastructure and cleanse strength capabilities in rural America, and committing to equity throughout the Office by getting rid of systemic boundaries and developing a workforce more representative of The usa. To discover a lot more, go to


USDA is an equal prospect supplier, employer, and loan company.