Summary

A severe avian flu outbreak, dubbed “COVID for cows,” is devastating California’s dairy industry, infecting herds at 645 dairies and reducing milk production.

Despite stringent biosecurity measures, the highly contagious H5N1 virus has spread statewide, prompting Governor Gavin Newsom to declare a state of emergency.

Farmworkers, many undocumented, face high exposure risks, with 34 reported cases of human infection in California.

Poultry farms have also suffered, losing millions of hens and causing egg shortages. Scientists are investigating alternative transmission routes as the crisis strains agriculture and food supplies.

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