In a new op-ed published in the Wall Street Journal, US Department of Agriculture Secretary Brooke Rollins outlined a new strategy she says will mitigate the spread of bird flu and lower the price of eggs — a signature issue of the 2024 election.

Dr. Carlson said with only conditional approval, there are still many steps to accomplish, and that could take a year or two before the vaccine is released in large quantities.

The US Department of Agriculture (USDA) Center for Veterinary Biologics (CVB) has issued a conditional license for an avian influenza vaccine, H5N2 subtype, killed virus. The vaccine, manufactured by Zoetis, is labeled for use in chickens.