Sanitation on dairy farms and in dairy plants is a top priority with heat exchangers ensuring that raw milk is properly pasteurized and safe for human consumption without bacteria like E coli and salmonella. Lately, though, there’s been an outbreak of a highly pathogenic avian influenza virus (HPAI or H5N1), jumping from cow to cow, from cattle to cat, and even a racoon, per the researchers at Cornell University, Ithaca, N.Y.
Highly pathogenic H5N1 viruses from this current outbreak were first detected in 2022 in migratory birds, while the first reports of dairy cattle with an unusual illness occurred in February and March 2024, notes Seema Lakdawala, Ph.D., associate professor at Emory University’s Department of Microbiology and Immunology in Atlanta, Ga.
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