The U.S. Department of Agriculture continues to work closely with state and local partners and poultry producers who have been impacted by an outbreak of highly pathogenic avian influenza (HPAI).
To date, USDA has deployed nearly 400 employees and contracted more than 2,100 personnel to work around the clock in states impacted by the outbreak. USDA has also identified more than $160 million in indemnity payments to date for producers whose flocks have been affected by HPAI, and we will continue to ensure adequate resources remain available to support a robust response.
As part of USDA's ongoing response, the Department evaluated the efficacy of current vaccine options for HPAI in addition to economic impacts of vaccination and has determined that, as it currently stands, additional criteria must be met before a vaccine can be approved for emergency use.
Vaccines currently available are not well matched and do not meet a suitable level of efficacy.
USDA also wants to be sure that the vaccine industry is in a position to produce enough doses to create an effective control measure.
Finally, additional outreach with trading partners will be required to avoid significant market disruptions
In the weeks and months ahead, USDA will continue to support efforts to develop a more effective vaccine, assist poultry producers with strong biosecurity measures, indemnify producers for losses, and take aggressive action to maintain open markets for U.S. poultry based on international standards.
USDA will continue to encourage development of vaccines for HPAI and will approve vaccines as they are developed and evaluated. Currently, there is lack of a well matched, effective vaccine for HPAI from the public and private sectors. The vaccine currently available offers just 60 percent effectiveness in chickens, leaving 4 in 10 birds unprotected.
The vaccine's effectiveness in turkeys is still being studied. USDA's Animal and Plant Health Inspection Service (APHIS) will reevaluate its vaccination decision as more effective vaccines are developed and ready for use, carefully considering both the efficacy of the vaccine and the potential trade impacts.
If used, vaccines will be targeted in the states and poultry sectors where they can be most effective. Areas where quarantine, depopulation, and enhanced biosecurity cannot stop the spread of HPAI would be prioritized.
During this outbreak, USDA has preserved open markets to countries that account for approximately 84 percent of the value of U.S. poultry and poultry products (including eggs) in 2014.
However, some significant trading partners have indicated that, if we began vaccinating, they would ban all U.S. exports of poultry and eggs until they could complete a risk assessment. Risk assessments are a common method of evaluating these types of requests, and often require a significant amount of time.
The loss of these markets could potentially cost U.S. poultry producers billions in lost export sales that would need to be diverted to other export and domestic markets, with no clear timeline for reopening closed markets. USDA will continue to work closely with stakeholders and trading partners throughout the response.
The United States has the strongest AI surveillance program in the world so that the food supply and our people remain safe. No human infections with these viruses have been detected, and the U.S. Centers for Disease Control and Prevention considers the risk to the general public to be minimal. America's food supply is safe. Properly prepared and cooked poultry and eggs are safe to eat.
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