United States • • • 🌿 Progressive

Una veterinaria con equipo de protección examina una vaca lechera en un establo
Control sanitario en un establo lechero durante la alerta por gripe aviar en el ganado. · Imagen generada para EPM

First bird flu death of the year in the US raises the alert in Washington

A person with preexisting conditions and direct contact with dairy cows died of bird flu, in the first death of the year from this cause in the United States.

--- The context --- Bird flu has claimed another human life in the United States. According to state health authorities, it is the first fatal case of the year in the country, while the virus kept circulating without pause among dairy cattle, with periodic detections over the past year. --- The facts --- The victim had preexisting conditions and worked or had direct contact with dairy cows carrying the virus. Washington has recorded three human infections this year, all with the same origin. The other two patients, also dairy workers, had mild illnesses and did not require hospitalization, according to the Yakima Health District. The livestock outbreak is broader. Since October 8, when the first positive herds were detected in Yakima County, the affected establishments climbed to at least 33 dairy farms in Washington, and the spread reached Benton County, with one establishment under quarantine. The state Department of Agriculture identified the strain as variant B3.13, present in American dairy cattle since the spring of 2024. --- The positions --- Andrew Pekosz, a professor at the Johns Hopkins Bloomberg School of Public Health, said the pathogen did not disappear and that it is basically the same virus circulating among dairy cows for a couple of years. He agreed with local authorities that the public risk is low, while stressing that the death should serve as a warning signal for public health systems. William Schaffner, a professor of preventive medicine at Vanderbilt University Medical Center, warned that vigilance is still needed because the virus could mutate and gain the ability to spread easily from person to person, something it cannot do for now. He also underlined that it can severely affect people with chronic diseases, as with the Washington victim, and backed seasonal flu vaccination. --- What remains unknown --- Genetic sequencing found no signs of adaptation to mammals and no evidence of transmission between people, and the specialists cited ruled out that a recombination with seasonal influenza is an imminent risk, because the H5N1 virus shows no sustained human transmission. What remains to be seen is how surveillance over herds and workers will evolve. --- Unanswered questions --- Will current surveillance be enough to detect new human infections in time? What additional protection will workers in direct contact with infected cattle receive? How are health systems preparing for bird flu cases coinciding with a seasonal flu season that arrived earlier than expected? --- EPM analysis --- The case sets the priorities without alarm. The general risk remains low, but the virus hits hardest those who combine direct exposure to cattle with preexisting illness. The sensible response is to sustain surveillance, protect exposed workers and get vaccinated against seasonal flu. 📌 EPM Take: In EPM's view, this death does not announce a general emergency, but it does expose the weak point of the outbreak: the daily exposure of dairy workers to a virus that keeps spreading among cows. With public risk low and no transmission between people, authorities have a duty to turn the alert into concrete protection for that group, sustained surveillance of herds and clear messages about pasteurized milk, which remains safe, as opposed to the danger of raw milk.
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