US, European nations consider vaccinating workers exposed to bird flu Julie Steenhuysen and Jennifer Rigby, May 28, 2024 May 28 (Reuters) – The United States and Europe are taking steps to acquire or manufacture H5N1 bird flu vaccines that could be used to protect at-risk poultry and dairy workers, veterinarians and lab technicians, government officials read more Reuters Report: US, European nations consider vaccinating workers exposed to bird flu