Natural H5N1 immunity in dairy cows is durable and cross-protective but non-sterilizing
Natalie N. Tarbuck, Hannah J. Cochran, Emma A. Martin, Min Liu, K. S. Kulchytsky, William M. Leone, Richard J. Webby, Cody J. Warren, Andrew S. Bowman
This study shows that dairy cows infected with H5N1 virus develop durable immunity that protects against severe disease but not complete viral clearance, and provides some cross-protection against different strains.
bioRxiv · Jan 7, 2026 · PreprintImmunology