By Dr. Sanchari Sinha Dutta, Ph.D. Apr 17 2025 In a high-stakes trial prompted by a deadly outbreak, researchers tested a poultry flu vaccine in condors and found promising immune responses, offering a new lifeline for one of North America’s rarest birds. Image Credit: Amy Osier / Shutterstock A team of US-based researchers recently tested the safety and efficacy of a licensed avian influenza vaccine in protecting California condors, a critically endangered bird species, against the highly