Highly pathogenic avian influenza virus H5N1 infection in dairy cows confers protective immunity against reinfection
An unprecedented spillover of highly pathogenic avian influenza (HPAI) H5N1 clade 2.3.4.4b to dairy cows in March 2024 has affected over 700 US dairy herds in addition to spillback to commercial poultry and transmission to agricultural workers. HPAI H5N1 incursion into cows causes severe mastitis…