From the NOP:
Allowed Actions to Respond to Risks from Avian Influenza: Updated Policy Memo 11-12
The USDA Agricultural Marketing Service (AMS) National Organic Program (NOP) has received questions about the confinement of organic poultry flocks due to recent outbreaks of highly pathogenic avian influenza (HPAI) and low pathogeniz avian influenza (LPAI).
Certified organic poultry operations must establish and maintain preventative livestock health care practices, which may include temporary confinement to protect the health, safety, or well-being of animals that could be jeopardized by avian influenza or other diseases.
The NOP reminds organic certifiers and producers of allowed actions to protect organic poultry flocks from infectious disease, while also maintaining organic certification: